What is the maximum number of circular pieces of paper with a radius of 1 cm that can be cut out of a square piece of paper with a side length of 10 cm?
在一个边长为10cm的正方形纸片中最多能剪出半径为1cm的圆形纸片的个数是多少
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

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

<result>25</result>