No problem, we've got 2923 and 1645 to multiply
2923 × 1645 = 1645 × (2923)
+ 1645 × 3 giving us 4935
+ 1645 × 20 giving us 32900
+ 1645 × 900 that is equal 1480500
+ 1645 × 2000 giving us 3290000

= 4808335
