A cuboid bunker has an area of 8 square meters and the height of the sand inside is 5 decimeters. How many cubic meters of sand is in the bunker?
一个长方体沙坑，它的占地面积是8平方米，里面装的沙高5分米，这个沙坑中有沙子多少立方米．
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">8 * (1/2)</gadget>
<output>4</output>

<result>4</result>