The area of a parallelogram lawn is 105m, and its height is measured to be 2.5m. What is the length of the bottom side of this lawn in m?
一块平行四边形草坪的面积是105m，测得它的高是2.5m，这块草坪的底边长是多少m．
<gadget id="calculator">105 / 2.5</gadget>
<output>42</output>

<result>42</result>