Alright, let's work through 42000311 times 16764638 step by step
42000311 × 16764638 = 16764638 × (42000311)
+ 16764638 × 1 that is equal 16764638
+ 16764638 × 10 resulting in 167646380
+ 16764638 × 300 giving us 5029391400
+ 16764638 × 0000 that is equal 0
+ 16764638 × 00000 giving us 0
+ 16764638 × 000000 which equals 0
+ 16764638 × 2000000 yielding 33529276000000
+ 16764638 × 40000000 resulting in 670585520000000

= 704120009802418
