No problem, we've got 2470 and 1155 to multiply
2470 × 1155 = 1155 × (2470)
+ 1155 × 0 that results in 0
+ 1155 × 70 what gives us 80850
+ 1155 × 400 giving us 462000
+ 1155 × 2000 resulting in 2310000

= 2852850
