No problem, we've got 4857 and 5760 to multiply
4857 × 5760 = 5760 × (4857)
+ 5760 × 7 that results in 40320
+ 5760 × 50 that results in 288000
+ 5760 × 800 which equals 4608000
+ 5760 × 4000 resulting in 23040000

= 27976320
