No problem, we've got 2285 and 3642 to multiply
2285 × 3642 = 3642 × (2285)
+ 3642 × 5 that equals 18210
+ 3642 × 80 giving us 291360
+ 3642 × 200 that is equal 728400
+ 3642 × 2000 that equals 7284000

= 8321970
