A cuboid has a base area of 0.8 square meters and a height of 50 centimeters, what is its volume in cubic decimeters?
一个长方体的底面积是0.8平方米，高50厘米，它的体积是多少立方分米．
<gadget id="calculator">0.8 * 100</gadget>
<output>80</output>

<gadget id="calculator">50 / 10</gadget>
<output>5</output>

<gadget id="calculator">80 * 5</gadget>
<output>400</output>

<result>400</result>