Take a piece of iron sheet with a length of 6m and a width of 1.2m and cut it into discs with a radius of 0.15m. How many pieces can be cut at most?
用一块长6m，宽1.2m的铁皮，剪成半径是0.15m的圆片，最多可以剪多少个？
<gadget id="calculator">0.15 * 2</gadget>
<output>0.3</output>

<gadget id="calculator">6 / 0.3</gadget>
<output>20</output>

<gadget id="calculator">1.2 / 0.3</gadget>
<output>4</output>

<gadget id="calculator">20 * 4</gadget>
<output>80</output>

<result>80</result>