After drawing a parallelogram whose four sides are 6 cm into a square, the area increases by 4.8 cm2. What is the height of the original parallelogram in cm?
把一个四条边都是6厘米的平行四边形拉成一个正方形后，面积增加了4.8平方厘米．原平行四边形的高是多少厘米．
<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">36 - 4.8</gadget>
<output>31.2</output>

<gadget id="calculator">31.2 / 6</gadget>
<output>5.2</output>

<result>5.2</result>