Cut a rectangular piece of paper with a length of 60cm and a width of 45cm into square pieces of the same size (just finished cutting), how many such square pieces of paper can be cut at least.
把一个长60cm、宽45cm的长方形纸片剪成大小相同的正方形纸片(正好剪完)，这样的正方形纸片最少可以剪多少个．
<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">15 * 15</gadget>
<output>225</output>

<gadget id="calculator">45 / 225</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 * (1/5)</gadget>
<output>12</output>

<result>12</result>