The area of a triangle is (4/5) square meters, the base is (16/25) meters, what is its height in meters.
一个三角形的面积是(4/5)平方米，底是(16/25)米，它的高是多少米．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">16 / 25</gadget>
<output>16/25 = around 0.64</output>

<gadget id="calculator">2 / (16/25)</gadget>
<output>25/8 = around 3.125</output>

<gadget id="calculator">(4/5) * (25/8)</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>