Alright, let's work through 7644 times 980 step by step
7644 × 980 = 980 × (7644)
+ 980 × 4 producing 3920
+ 980 × 40 yielding 39200
+ 980 × 600 which equals 588000
+ 980 × 7000 that is equal 6860000

= 7491120
