No problem, we've got 3504 and 2070 to multiply
3504 × 2070 = 2070 × (3504)
+ 2070 × 4 which equals 8280
+ 2070 × 00 yielding 0
+ 2070 × 500 what gives us 1035000
+ 2070 × 3000 producing 6210000

= 7253280
