The area of a triangle is (5/8) square meters, the base is (2/5) meters, and the height is in meters.
一个三角形的面积是(5/8)平方米，底是(2/5)米，高是多少米．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">2 / (2/5)</gadget>
<output>5</output>

<gadget id="calculator">(5/8) * 5</gadget>
<output>25/8 = around 3.125</output>

<result>25/8 = around 3.125</result>