No problem, we've got 4909 and 8157 to multiply
4909 × 8157 = 8157 × (4909)
+ 8157 × 9 resulting in 73413
+ 8157 × 00 that is equal 0
+ 8157 × 900 resulting in 7341300
+ 8157 × 4000 that equals 32628000

= 40042713
