The area of a triangular vegetable field is (5/2) hectares, and the length of the base is (2/5) meters. How many meters high?
一块三角形菜地的面积(5/2)公顷，底边长(2/5)米．高多少米？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</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">(5/2) * 5</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>