No problem, we've got 1658 and 2598 to multiply
1658 × 2598 = 2598 × (1658)
+ 2598 × 8 giving us 20784
+ 2598 × 50 that is equal 129900
+ 2598 × 600 what gives us 1558800
+ 2598 × 1000 giving us 2598000

= 4307484
