A piece of square red paper with a side length of 66 cm can be used to make a triangular red flag with a base of 33 cm and a height of 22 cm. How many sides can be made at most?
一张正方形红纸，边长66厘米，可用它做成底是33厘米，高是22厘米的三角形小红旗，最多可以做多少面？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 33 * 22</gadget>
<output>363</output>

<gadget id="calculator">66 / 363</gadget>
<output>2/11 = around 0.181818</output>

<gadget id="calculator">66 * (2/11)</gadget>
<output>12</output>

<result>12</result>