No problem, we've got 4921 and 4791 to multiply
4921 × 4791 = 4791 × (4921)
+ 4791 × 1 that is equal 4791
+ 4791 × 20 yielding 95820
+ 4791 × 900 what gives us 4311900
+ 4791 × 4000 yielding 19164000

= 23576511
