No problem, we've got 4170 and 7506 to multiply
4170 × 7506 = 7506 × (4170)
+ 7506 × 0 what gives us 0
+ 7506 × 70 producing 525420
+ 7506 × 100 which equals 750600
+ 7506 × 4000 giving us 30024000

= 31300020
