If a rectangle with a length of 6 cm and a width of 4 cm is stretched into a parallelogram, the area is reduced by 6 square centimeters, what is the height of the parallelogram
把一个长6厘米，宽4厘米的长方形拉成一个平行四边形后面积减少6平方厘米，平行四边形的高是多少
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">24 - 6</gadget>
<output>18</output>

<gadget id="calculator">18 / 6</gadget>
<output>3</output>

<result>3</result>