There are four square pillars in the school hall, each of which is 5 meters long. The ground is a square with a side length of 6 decimeters. Paint should be painted around the four sides of each square pillar, and paint should be used for each square meter 1.5kg, how many kg of paint is needed? 2. A rectangular biscuit box with a square bottom is cut along the height of its side trademark to get a square with a side length of 60cm. What is the volume of the biscuit box?

There are four square pillars in the school hall, each of which is 5 meters long. The ground is a square with a side length of 6 decimeters. Paint should be painted around the four sides of each square pillar, and paint should be used for each square meter 1.5kg, how many kg of paint is needed? 2. A rectangular biscuit box with a square bottom is cut along the height of its side trademark to get a square with a side length of 60cm. What is the volume of the biscuit box?

4*5*6*0.4*1.5=
60/4 * 60/4 * 60 =