A parallelogram and a triangle have the same area. If the area of the parallelogram is 25 square centimeters and the height of the triangle is 10 centimeters, what is the base of the triangle in centimeters?
一个平行四边形和一个三角形面积相等，如果平行四边形面积是25平方厘米，三角形的高是10厘米，三角形的底是多少厘米？
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">25 * (1/5)</gadget>
<output>5</output>

<result>5</result>