Column inequalities to solve practical problems If the sum of three consecutive positive even numbers is less than 13, what is the product of the three even numbers Pay attention to "column inequality system"

Column inequalities to solve practical problems If the sum of three consecutive positive even numbers is less than 13, what is the product of the three even numbers Pay attention to "column inequality system"

It's very simple. You set the smallest one as X, and list it according to the meaning: x + X + 2 + X + 4