Let's divide 70580304 by 257
Let's see how many times 257 fits into 70580304.

Going ahead to step 1:
The number 257 fits into 7 0 times, leaving a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Append the next digit (0) from the dividend to 7 and continue with: 70 / 257

Advancing to step 2:
257 goes into 70 0 times with a remainder of 70.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 70 leaves us with 70.
Bring next digit (5) of the dividend behind the 70 and repeat the process: 705 / 257

Advancing to step 3:
705 divided by 257 is 2 with a remainder of 191.
Use 2 as the next digit of our solution. 
Result so far: 2.0
If we take 514 away from 705, we end up with 191.
Fetch the next digit (8) from the dividend, attach it to 191 and continue: 1918 / 257

Step 4:
257 goes into 1918 7 times with a remainder of 119.
The next digit of our result is 7. 
Result so far: 27.0
If we subtract 1799 from 1918, we get 119.
Grab the next digit (0) from the dividend, add it to 119, then carry on: 1190 / 257

Step 5:
If we divide 1190 by 257, we get 4 and a remainder of 162.
Record the quotient 4 as the next digit in the result. 
Result so far: 274.0
The remainder is 162 after subtracting 1028 from 1190.
Grab the next digit (3) from the dividend, add it to 162, then carry on: 1623 / 257

Going ahead to step 6:
257 goes into 1623 6 times with a remainder of 81.
Put 6 as the next digit of the answer. 
Result so far: 2746.0
If we subtract 1542 from 1623, we get 81.
Include the next digit (0) from the dividend after 81, then repeat: 810 / 257

Moving on to step 7:
If we divide 810 by 257, we get 3 and a remainder of 39.
Use 3 as the next digit of our solution. 
Result so far: 27463.0
If we take 771 away from 810, we end up with 39.
Fetch the next digit (4) from the dividend, attach it to 39 and continue: 394 / 257

Going ahead to step 8:
257 can be fit into 394 1 times, resulting in a remainder of 137.
Put 1 as the next digit of the answer. 
Result so far: 274631.0
The remainder is 137 after subtracting 257 from 394.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1370, and continue the process.

Advancing to step 9:
If we divide 1370 by 257, we get 5 and a remainder of 85.
Write down 5 as next digit of the result. 
Result so far: 274631.5
Subtracting 1285 from 1370 leaves us with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

On to step 10:
257 goes into 850 3 times with a remainder of 79.
Put 3 as the next digit of the answer. 
Result so far: 274631.53
If we take 771 away from 850, we end up with 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Going ahead to step 11:
The number 257 fits into 790 3 times, leaving a remainder of 19.
Record the quotient 3 as the next digit in the result. 
Result so far: 274631.533
If we subtract 771 from 790, we get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

The final outcome is 274631.533, with a leftover of 0.0019.