Let's calculate 6247 x 7720
6247 × 7720 = 7720 × (6247)
+ 7720 × 7 which equals 54040
+ 7720 × 40 that is equal 308800
+ 7720 × 200 that is equal 1544000
+ 7720 × 6000 that equals 46320000

= 48226840
