No problem, we've got 4545 and 3830 to multiply
4545 × 3830 = 3830 × (4545)
+ 3830 × 5 which equals 19150
+ 3830 × 40 which equals 153200
+ 3830 × 500 which equals 1915000
+ 3830 × 4000 that is equal 15320000

= 17407350
