Alright, let's work through 6601 times 9790 step by step
6601 × 9790 = 9790 × (6601)
+ 9790 × 1 producing 9790
+ 9790 × 00 that is equal 0
+ 9790 × 600 that is equal 5874000
+ 9790 × 6000 what gives us 58740000

= 64623790
