No problem, we've got 8547 and 4815 to multiply
8547 × 4815 = 4815 × (8547)
+ 4815 × 7 what gives us 33705
+ 4815 × 40 that is equal 192600
+ 4815 × 500 that is equal 2407500
+ 4815 × 8000 giving us 38520000

= 41153805
