Alright, let's work through 9781 times 8012 step by step
9781 × 8012 = 8012 × (9781)
+ 8012 × 1 that equals 8012
+ 8012 × 80 resulting in 640960
+ 8012 × 700 what gives us 5608400
+ 8012 × 9000 what gives us 72108000

= 78365372
