Alright, let's work through 9640 times 3887 step by step
9640 × 3887 = 3887 × (9640)
+ 3887 × 0 that results in 0
+ 3887 × 40 giving us 155480
+ 3887 × 600 that results in 2332200
+ 3887 × 9000 yielding 34983000

= 37470680
