The area of a triangle is 22 square meters and the height is 4 meters. What is the length of its base?
一个三角形的面积是22平方米，高是4米，它的底边长多少？
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">22 * (1/2)</gadget>
<output>11</output>

<result>11</result>