No problem, we've got 8164 and 4020 to multiply
8164 × 4020 = 4020 × (8164)
+ 4020 × 4 that is equal 16080
+ 4020 × 60 that is equal 241200
+ 4020 × 100 that equals 402000
+ 4020 × 8000 giving us 32160000

= 32819280
