The area of a parallelogram is 22 square meters and the height is 4 meters. What is the length of its base?
一个平行四边形的面积是22平方米，高是4米，它的底边长多少？
<gadget id="calculator">22 / 4</gadget>
<output>11/2 = around 5.5</output>

<result>11/2 = around 5.5</result>