A triangular piece of iron has the same area as a circular piece of iron with a radius of 5 cm. The base of the triangle is 25 cm. What is the height of the base in cm?
一个三角形铁片与一个半径是5厘米的圆形铁片面积相等，三角形铁片的底是25厘米，这条底上的高是多少厘米？
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">2 / 25</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">3.14 * 25 * (2/25)</gadget>
<output>6.28</output>

<result>6.28</result>