The area of the triangle is 27 square decimeters, the height is 3 decimeters, and the base is how many decimeters.
三角形的面积是27平方分米，高是3分米，底是多少分米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">27 * (2/3)</gadget>
<output>18</output>

<result>18</result>