No problem, we've got 2964 and 6660 to multiply
2964 × 6660 = 6660 × (2964)
+ 6660 × 4 that results in 26640
+ 6660 × 60 what gives us 399600
+ 6660 × 900 yielding 5994000
+ 6660 × 2000 that is equal 13320000

= 19740240
