Alright, let's work through 63145486 times 84842669 step by step
63145486 × 84842669 = 84842669 × (63145486)
+ 84842669 × 6 yielding 509056014
+ 84842669 × 80 that is equal 6787413520
+ 84842669 × 400 producing 33937067600
+ 84842669 × 5000 yielding 424213345000
+ 84842669 × 40000 yielding 3393706760000
+ 84842669 × 100000 that is equal 8484266900000
+ 84842669 × 3000000 that equals 254528007000000
+ 84842669 × 60000000 that results in 5090560140000000

= 5357431567542134
