piece of rectangular paper with a length of 25 cm and a width of 15 meters is cut into a square of the same size. If there is no paper left, how many pieces can be cut at least?
一张长25厘米，宽15米的长方形纸裁成同样大小的正方形，纸没剩余，最少可裁多少个？
<gadget id="calculator">25 * 15</gadget>
<output>375</output>

<gadget id="calculator">375 / 25</gadget>
<output>15</output>

<result>15</result>