The area of a triangle is 40 square centimeters, the height is 8 centimeters, what is its base in decimeters?
一个三角形的面积是40平方厘米，高是8厘米，它的底是多少分米．
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">40 * (1/4)</gadget>
<output>10</output>

<gadget id="calculator">10 / 10</gadget>
<output>1</output>

<result>1</result>