Alright, let's work through 6611 times 2640 step by step
6611 × 2640 = 2640 × (6611)
+ 2640 × 1 that results in 2640
+ 2640 × 10 giving us 26400
+ 2640 × 600 yielding 1584000
+ 2640 × 6000 what gives us 15840000

= 17453040
