Alright, let's work through 7980 times 5173 step by step
7980 × 5173 = 5173 × (7980)
+ 5173 × 0 giving us 0
+ 5173 × 80 that equals 413840
+ 5173 × 900 which equals 4655700
+ 5173 × 7000 that is equal 36211000

= 41280540
