Alright, let's work through 7158 times 7723 step by step
7158 × 7723 = 7723 × (7158)
+ 7723 × 8 that equals 61784
+ 7723 × 50 that results in 386150
+ 7723 × 100 that is equal 772300
+ 7723 × 7000 yielding 54061000

= 55281234
