The area of a triangular scarf is 5.2 square decimeters, the height is 1.3 decimeters, and the bottom is how many decimeters.
一块三角形围巾的面积是5.2平方分米，高是1.3分米，底是多少分米．
<gadget id="calculator">2 / 1.3</gadget>
<output>1.538462</output>

<gadget id="calculator">5.2 * 1.538462</gadget>
<output>8.000002</output>

<result>8.000002</result>