No problem, we've got 2398 and 8600 to multiply
2398 × 8600 = 8600 × (2398)
+ 8600 × 8 giving us 68800
+ 8600 × 90 that results in 774000
+ 8600 × 300 which equals 2580000
+ 8600 × 2000 which equals 17200000

= 20622800
