The area of a triangle is (7/5) square decimeters, the base is (1/2) decimeters, and the height is centimeters.
一个三角形的面积是(7/5)平方分米，底是(1/2)分米，高是多少厘米．
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / (1/2)</gadget>
<output>4</output>

<gadget id="calculator">(7/5) * 4 * 10</gadget>
<output>56</output>

<result>56</result>