Alright, let's work through 3747 times 2638 step by step
3747 × 2638 = 2638 × (3747)
+ 2638 × 7 that results in 18466
+ 2638 × 40 producing 105520
+ 2638 × 700 what gives us 1846600
+ 2638 × 3000 that equals 7914000

= 9884586
