If the area of a parallelogram is 4.2 square centimeters and the height is 1.4 centimeters, what is the base in centimeters?
一个平行四边形的面积是4.2平方厘米，高1.4厘米，则底是多少厘米．
<gadget id="calculator">4.2 / 1.4</gadget>
<output>3</output>

<result>3</result>