Alright, let's work through 9873 times 8679 step by step
9873 × 8679 = 8679 × (9873)
+ 8679 × 3 that is equal 26037
+ 8679 × 70 that equals 607530
+ 8679 × 800 which equals 6943200
+ 8679 × 9000 giving us 78111000

= 85687767
