No problem, we've got 2457 and 1180 to multiply
2457 × 1180 = 1180 × (2457)
+ 1180 × 7 giving us 8260
+ 1180 × 50 what gives us 59000
+ 1180 × 400 that is equal 472000
+ 1180 × 2000 that equals 2360000

= 2899260
