A cuboid iron bucket is 5 cm high and its bottom area is 8 square decimeters. What is the volume of the bucket?
一个长方体铁皮水桶高5厘米，它的底面积是8平方分米，这个水桶的容积是多少升．
<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>