Alright, let's work through 2140 times 9615 step by step
2140 × 9615 = 9615 × (2140)
+ 9615 × 0 yielding 0
+ 9615 × 40 that results in 384600
+ 9615 × 100 that is equal 961500
+ 9615 × 2000 what gives us 19230000

= 20576100
