cylindrical beverage bucket filled with beverages, the radius of the bottom surface is 5 decimeters, and the height is 10 decimeters. Pour the whole bucket of beverages into a cuboid beverage bucket. It is known that the side length of the bottom of the box is a square of 5 decimeters. The beverage What is the minimum height of the box to hold a whole bucket of beverages?
一个装满饮料的圆柱形饮料桶，底面半径是5分米，高10分米，把整桶饮料倒入一个长方体饮料桶中，已知箱的底面边长是5分米的正方形，这个饮料箱至少多高才能装下整桶饮料？
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

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

<gadget id="calculator">10 / 25</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3.14 * 25 * (2/5)</gadget>
<output>31.4</output>

<result>31.4</result>