Alright, let's work through 6617 times 1770 step by step
6617 × 1770 = 1770 × (6617)
+ 1770 × 7 that is equal 12390
+ 1770 × 10 giving us 17700
+ 1770 × 600 resulting in 1062000
+ 1770 × 6000 that is equal 10620000

= 11712090
