We're going to solve 8521 multiplied by 2169
8521 × 2169 = 2169 × (8521)
+ 2169 × 1 giving us 2169
+ 2169 × 20 what gives us 43380
+ 2169 × 500 yielding 1084500
+ 2169 × 8000 resulting in 17352000

= 18482049
