It is known that the perimeter of a parallelogram is 150 cm, the base is 30 cm, and the height is 15 cm. What is the height of the other side in cm?
已知一个平行四边形的周长是150厘米，底是30厘米，高是15厘米，另一条边的高是多少厘米？
<gadget id="calculator">150 / 2</gadget>
<output>75</output>

<gadget id="calculator">75 - 30</gadget>
<output>45</output>

<gadget id="calculator">15 / 45</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>

<result>10</result>