No problem, we've got 1504 and 1566 to multiply
1504 × 1566 = 1566 × (1504)
+ 1566 × 4 resulting in 6264
+ 1566 × 00 that equals 0
+ 1566 × 500 yielding 783000
+ 1566 × 1000 what gives us 1566000

= 2355264
