Alright, let's work through 8790 times 8013 step by step
8790 × 8013 = 8013 × (8790)
+ 8013 × 0 giving us 0
+ 8013 × 90 that is equal 721170
+ 8013 × 700 producing 5609100
+ 8013 × 8000 giving us 64104000

= 70434270
