Alright, let's work through 70048737 times 21701451 step by step
70048737 × 21701451 = 21701451 × (70048737)
+ 21701451 × 7 yielding 151910157
+ 21701451 × 30 what gives us 651043530
+ 21701451 × 700 what gives us 15191015700
+ 21701451 × 8000 producing 173611608000
+ 21701451 × 40000 producing 868058040000
+ 21701451 × 000000 resulting in 0
+ 21701451 × 0000000 that is equal 0
+ 21701451 × 70000000 what gives us 1519101570000000

= 1520159233617387
