A rectangular piece of paper with a length of 60 cm and a width of 20 cm can be cut into how many discs with a diameter of 10 cm at most.
一张长60厘米、宽20厘米的长方形纸片，最多能剪成多少个直径是10厘米圆片．
<gadget id="calculator">60 / 10</gadget>
<output>6</output>

<gadget id="calculator">20 / 10</gadget>
<output>2</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<result>12</result>