No problem, we've got 7440 and 3999 to multiply
7440 × 3999 = 3999 × (7440)
+ 3999 × 0 giving us 0
+ 3999 × 40 resulting in 159960
+ 3999 × 400 resulting in 1599600
+ 3999 × 7000 which equals 27993000

= 29752560
