No problem, we've got 4061 and 5760 to multiply
4061 × 5760 = 5760 × (4061)
+ 5760 × 1 which equals 5760
+ 5760 × 60 what gives us 345600
+ 5760 × 000 which equals 0
+ 5760 × 4000 yielding 23040000

= 23391360
