Alright, let's work through 7990 times 7470 step by step
7990 × 7470 = 7470 × (7990)
+ 7470 × 0 producing 0
+ 7470 × 90 that is equal 672300
+ 7470 × 900 giving us 6723000
+ 7470 × 7000 giving us 52290000

= 59685300
