No problem, we've got 1645 and 1824 to multiply
1645 × 1824 = 1824 × (1645)
+ 1824 × 5 resulting in 9120
+ 1824 × 40 which equals 72960
+ 1824 × 600 that is equal 1094400
+ 1824 × 1000 that equals 1824000

= 3000480
