Alright, let's work through 8139 times 7632 step by step
8139 × 7632 = 7632 × (8139)
+ 7632 × 9 that equals 68688
+ 7632 × 30 that is equal 228960
+ 7632 × 100 that is equal 763200
+ 7632 × 8000 what gives us 61056000

= 62116848
