A conical container has a base radius of 10 cm and a height of 15 cm. Fill it with water, and then pour all the water into a cuboid container with a length of 25 cm and a width of 5 cm. How many centimeters is the water surface high?
一个圆锥形容器的底面半径是10cm，高是15cm．用它盛满水，然后将水全部倒入长25cm，宽5cm的长方体容器内，水面高多少厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25 * 5</gadget>
<output>125</output>

<gadget id="calculator">15 / 125</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">(1/3) * 3.14 * 10 * 10 * (3/25)</gadget>
<output>12.56</output>

<result>12.56</result>