Alright, let's work through 7639 times 8630 step by step
7639 × 8630 = 8630 × (7639)
+ 8630 × 9 which equals 77670
+ 8630 × 30 resulting in 258900
+ 8630 × 600 resulting in 5178000
+ 8630 × 7000 which equals 60410000

= 65924570
