Let's calculate 4531 x 7158
4531 × 7158 = 7158 × (4531)
+ 7158 × 1 that equals 7158
+ 7158 × 30 that equals 214740
+ 7158 × 500 which equals 3579000
+ 7158 × 4000 that results in 28632000

= 32432898
