We're going to solve 78420060 multiplied by 42015000
78420060 × 42015000 = 42015000 × (78420060)
+ 42015000 × 0 producing 0
+ 42015000 × 60 which equals 2520900000
+ 42015000 × 000 that equals 0
+ 42015000 × 0000 that equals 0
+ 42015000 × 20000 that results in 840300000000
+ 42015000 × 400000 that is equal 16806000000000
+ 42015000 × 8000000 producing 336120000000000
+ 42015000 × 70000000 which equals 2941050000000000

= 3294818820900000
