The base area of a cuboid is 0.3 decimeters**2, the height is 9 meters, what is the volume dm**3.
一个长方体的底面积是0.3分米**2，高是9米，体积是多少dm**3．
<gadget id="calculator">9 * 10</gadget>
<output>90</output>

<gadget id="calculator">0.3 * 90</gadget>
<output>27</output>

<result>27</result>