No problem, we've got 2864 and 4605 to multiply
2864 × 4605 = 4605 × (2864)
+ 4605 × 4 that equals 18420
+ 4605 × 60 which equals 276300
+ 4605 × 800 that equals 3684000
+ 4605 × 2000 resulting in 9210000

= 13188720
