No problem, we've got 1720 and 6324 to multiply
1720 × 6324 = 6324 × (1720)
+ 6324 × 0 which equals 0
+ 6324 × 20 resulting in 126480
+ 6324 × 700 resulting in 4426800
+ 6324 × 1000 that is equal 6324000

= 10877280
