No problem, we've got 1840 and 6334 to multiply
1840 × 6334 = 6334 × (1840)
+ 6334 × 0 what gives us 0
+ 6334 × 40 resulting in 253360
+ 6334 × 800 that equals 5067200
+ 6334 × 1000 that is equal 6334000

= 11654560
