No problem, we've got 7120 and 4388 to multiply
7120 × 4388 = 4388 × (7120)
+ 4388 × 0 giving us 0
+ 4388 × 20 which equals 87760
+ 4388 × 100 giving us 438800
+ 4388 × 7000 what gives us 30716000

= 31242560
