Use a red cloth with a length of 120 cm and a width of 36 cm to make a small red flag of a right triangle. The right-angled sides of the small red flag are 20 cm and 12 cm respectively. How many such small flags can be made with this piece of red cloth?
用长120厘米、宽36厘米的红布作直角三角形的小红旗，小红旗的直角边分别是20厘米和12厘米，这块红布最多可以做多少面这样的小旗？
<gadget id="calculator">120 / 20</gadget>
<output>6</output>

<gadget id="calculator">36 / 12</gadget>
<output>3</output>

<gadget id="calculator">6 * 3 * 2</gadget>
<output>36</output>

<result>36</result>