We're going to solve 42478 multiplied by 87165217
42478 × 87165217 = 87165217 × (42478)
+ 87165217 × 8 producing 697321736
+ 87165217 × 70 yielding 6101565190
+ 87165217 × 400 resulting in 34866086800
+ 87165217 × 2000 that is equal 174330434000
+ 87165217 × 40000 which equals 3486608680000

= 3702604087726
