Alright, let's work through 7639 times 1149 step by step
7639 × 1149 = 1149 × (7639)
+ 1149 × 9 that results in 10341
+ 1149 × 30 which equals 34470
+ 1149 × 600 that results in 689400
+ 1149 × 7000 which equals 8043000

= 8777211
