We're going to solve 42157419 multiplied by 15132072
42157419 × 15132072 = 15132072 × (42157419)
+ 15132072 × 9 which equals 136188648
+ 15132072 × 10 resulting in 151320720
+ 15132072 × 400 yielding 6052828800
+ 15132072 × 7000 what gives us 105924504000
+ 15132072 × 50000 which equals 756603600000
+ 15132072 × 100000 that results in 1513207200000
+ 15132072 × 2000000 which equals 30264144000000
+ 15132072 × 40000000 yielding 605282880000000

= 637929099642168
