No problem, we've got 6540 and 3278 to multiply
6540 × 3278 = 3278 × (6540)
+ 3278 × 0 which equals 0
+ 3278 × 40 which equals 131120
+ 3278 × 500 which equals 1639000
+ 3278 × 6000 giving us 19668000

= 21438120
