The bottom of a fish pond is a triangle. If the area of this triangle is 29.4 square meters and the base is 8.4 meters, what is the height in meters?
一个鱼池的底面是三角形．如果这个三角形的面积是29.4平方米，底是8.4米，那么高是多少米？
<gadget id="calculator">29.4 / 8.4</gadget>
<output>3.5</output>

<gadget id="calculator">2 * 3.5</gadget>
<output>7</output>

<result>7</result>