No problem, we've got 1836 and 1408 to multiply
1836 × 1408 = 1408 × (1836)
+ 1408 × 6 giving us 8448
+ 1408 × 30 resulting in 42240
+ 1408 × 800 what gives us 1126400
+ 1408 × 1000 what gives us 1408000

= 2585088
