Alright, let's work through 6610 times 7759 step by step
6610 × 7759 = 7759 × (6610)
+ 7759 × 0 giving us 0
+ 7759 × 10 that is equal 77590
+ 7759 × 600 that equals 4655400
+ 7759 × 6000 which equals 46554000

= 51286990
