Alright, let's work through 66799647 times 37827774 step by step
66799647 × 37827774 = 37827774 × (66799647)
+ 37827774 × 7 that is equal 264794418
+ 37827774 × 40 producing 1513110960
+ 37827774 × 600 what gives us 22696664400
+ 37827774 × 9000 producing 340449966000
+ 37827774 × 90000 which equals 3404499660000
+ 37827774 × 700000 producing 26479441800000
+ 37827774 × 6000000 that results in 226966644000000
+ 37827774 × 60000000 producing 2269666440000000

= 2526881949995778
