No problem, we've got 1587 and 1658 to multiply
1587 × 1658 = 1658 × (1587)
+ 1658 × 7 which equals 11606
+ 1658 × 80 that equals 132640
+ 1658 × 500 what gives us 829000
+ 1658 × 1000 that results in 1658000

= 2631246
