No problem, we've got 4647 and 1155 to multiply
4647 × 1155 = 1155 × (4647)
+ 1155 × 7 that results in 8085
+ 1155 × 40 yielding 46200
+ 1155 × 600 what gives us 693000
+ 1155 × 4000 what gives us 4620000

= 5367285
