Alright, let's work through 7639 times 7066 step by step
7639 × 7066 = 7066 × (7639)
+ 7066 × 9 that results in 63594
+ 7066 × 30 resulting in 211980
+ 7066 × 600 that equals 4239600
+ 7066 × 7000 resulting in 49462000

= 53977174
