To celebrate Children's Day, Teacher Li bought a piece of red cloth with a length of 6 meters and a width of 1.5 meters, and made a right-angled triangle flag with a side length of 20 centimeters and 15 centimeters respectively. How many such flags can be made?
为庆祝儿童节，李老师买了一块长6米，宽1.5米的红布，制作直角边长分别为20厘米和15厘米的直角三角形小旗，可以做多少面这样的小旗？
<gadget id="calculator">6 * 100</gadget>
<output>600</output>

<gadget id="calculator">600 / 20</gadget>
<output>30</output>

<gadget id="calculator">1.5 * 100</gadget>
<output>150</output>

<gadget id="calculator">150 / 15</gadget>
<output>10</output>

<gadget id="calculator">30 * 10 * 2</gadget>
<output>600</output>

<result>600</result>