The area of a triangle is 2400 square centimeters, the base is 4 decimeters, what is its height?
一个三角形的面积是2400平方厘米，底是4分米，它的高是多少．
<gadget id="calculator">2_400 / 100</gadget>
<output>24</output>

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">24 * (1/2)</gadget>
<output>12</output>

<result>12</result>