Sure thing! We've got 790 and we're gonna multiply it by 5. That's the same as adding 790 to itself 5 times.
Step 1: 0 + 790 = 790
Step 2: 790 + 790 = 1580
Step 3: 1580 + 790 = 2370
Step 4: 2370 + 790 = 3160
Step 5: 3160 + 790 = 3950

So, 790*5 = 3950