Alright, let's work through 7428 times 4509 step by step
7428 × 4509 = 4509 × (7428)
+ 4509 × 8 that results in 36072
+ 4509 × 20 that is equal 90180
+ 4509 × 400 that is equal 1803600
+ 4509 × 7000 what gives us 31563000

= 33492852
