triangular vegetable field has an area of 8 square meters, its base is (8/5) meters, and how many meters is its height?
一块三角形菜地，面积是8平方米，它的底是(8/5)米，高是多少米？
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">2 / (8/5)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">8 * (5/4)</gadget>
<output>10</output>

<result>10</result>