Alright, let's work through 678443 times 72087119 step by step
678443 × 72087119 = 72087119 × (678443)
+ 72087119 × 3 resulting in 216261357
+ 72087119 × 40 that results in 2883484760
+ 72087119 × 400 that is equal 28834847600
+ 72087119 × 8000 that is equal 576696952000
+ 72087119 × 70000 that results in 5046098330000
+ 72087119 × 600000 that results in 43252271400000

= 48907001275717
