The area of the triangle is 21.6 square centimeters, its height is 5.4 centimeters, and its base is in decimeters.
三角形的面积是21.6平方厘米，它的高是5.4厘米，底是多少分米．
<gadget id="calculator">2 / 5.4</gadget>
<output>0.37037</output>

<gadget id="calculator">21.6 * 0.37037</gadget>
<output>7.999992</output>

<result>7.999992</result>