Alright, let's work through 9831 times 4170 step by step
9831 × 4170 = 4170 × (9831)
+ 4170 × 1 what gives us 4170
+ 4170 × 30 that equals 125100
+ 4170 × 800 that results in 3336000
+ 4170 × 9000 what gives us 37530000

= 40995270
