No problem, we've got 4915 and 8199 to multiply
4915 × 8199 = 8199 × (4915)
+ 8199 × 5 what gives us 40995
+ 8199 × 10 resulting in 81990
+ 8199 × 900 which equals 7379100
+ 8199 × 4000 resulting in 32796000

= 40298085
