The height of a triangle is 5 decimeters, the area is 25 square decimeters, how many decimeters is the base of the triangle?
一个三角形的高是5分米，面积是25平方分米，三角形底是多少分米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">25 * (2/5)</gadget>
<output>10</output>

<result>10</result>