Alright, let's work through 8980 times 9036 step by step
8980 × 9036 = 9036 × (8980)
+ 9036 × 0 resulting in 0
+ 9036 × 80 resulting in 722880
+ 9036 × 900 yielding 8132400
+ 9036 × 8000 which equals 72288000

= 81143280
