Alright, let's work through 50640340 times 78170562 step by step
50640340 × 78170562 = 78170562 × (50640340)
+ 78170562 × 0 that is equal 0
+ 78170562 × 40 that equals 3126822480
+ 78170562 × 300 that results in 23451168600
+ 78170562 × 0000 giving us 0
+ 78170562 × 40000 giving us 3126822480000
+ 78170562 × 600000 which equals 46902337200000
+ 78170562 × 0000000 which equals 0
+ 78170562 × 50000000 producing 3908528100000000

= 3958583837671080
