No problem, we've got 1590 and 1655 to multiply
1590 × 1655 = 1655 × (1590)
+ 1655 × 0 that equals 0
+ 1655 × 90 resulting in 148950
+ 1655 × 500 resulting in 827500
+ 1655 × 1000 that results in 1655000

= 2631450
