No problem, we've got 3870 and 7505 to multiply
3870 × 7505 = 7505 × (3870)
+ 7505 × 0 what gives us 0
+ 7505 × 70 which equals 525350
+ 7505 × 800 yielding 6004000
+ 7505 × 3000 yielding 22515000

= 29044350
