The area of a parallelogram is 26 square centimeters, the height is 4 centimeters, and what is the base.
一个平行四边形的面积是26平方厘米，高是4厘米，底是多少．
<gadget id="calculator">26 / 4</gadget>
<output>13/2 = around 6.5</output>

<result>13/2 = around 6.5</result>