No problem, we've got 8134 and 5002 to multiply
8134 × 5002 = 5002 × (8134)
+ 5002 × 4 which equals 20008
+ 5002 × 30 that results in 150060
+ 5002 × 100 that results in 500200
+ 5002 × 8000 which equals 40016000

= 40686268
