Alright, let's work through 3140 times 3144 step by step
3140 × 3144 = 3144 × (3140)
+ 3144 × 0 what gives us 0
+ 3144 × 40 that equals 125760
+ 3144 × 100 that results in 314400
+ 3144 × 3000 giving us 9432000

= 9872160
