No problem, we've got 4305 and 3640 to multiply
4305 × 3640 = 3640 × (4305)
+ 3640 × 5 yielding 18200
+ 3640 × 00 which equals 0
+ 3640 × 300 which equals 1092000
+ 3640 × 4000 that results in 14560000

= 15670200
