Alright, let's work through 9837 times 4070 step by step
9837 × 4070 = 4070 × (9837)
+ 4070 × 7 that is equal 28490
+ 4070 × 30 yielding 122100
+ 4070 × 800 resulting in 3256000
+ 4070 × 9000 that equals 36630000

= 40036590
