There is a cuboid drink box with a length of 20 cm, a width of 10 cm, and a height of 15 cm. If it is filled with a drink and poured into a cylindrical water glass with a bottom area of 300 cm2, what is the height of the drink in cm?
有一种长是20厘米，宽是10厘米，高是15厘米的长方体饮料盒，如果里面装满饮料，倒入一个底面积是300平方厘米的圆柱形水杯中，饮料的高度是多少厘米？
<gadget id="calculator">15 / 300</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">20 * 10 * (1/20)</gadget>
<output>10</output>

<result>10</result>