No problem, we've got 2869 and 9663 to multiply
2869 × 9663 = 9663 × (2869)
+ 9663 × 9 what gives us 86967
+ 9663 × 60 that equals 579780
+ 9663 × 800 that is equal 7730400
+ 9663 × 2000 that equals 19326000

= 27723147
