No problem, we've got 3570 and 900 to multiply
3570 × 900 = 900 × (3570)
+ 900 × 0 resulting in 0
+ 900 × 70 what gives us 63000
+ 900 × 500 that results in 450000
+ 900 × 3000 that results in 2700000

= 3213000
