Cheerleaders in sports games make small red flags. Using a piece of rectangular cloth with a length of 2 meters and a width of 1 meter, make a right-angled triangle small red flag with a base length of 5 decimeters and a height of 2 decimeters. How many sides can be made at most?
运动会啦啦队制作小红旗．用一块长2米、宽1米的长方形布料，制作底边长5分米、高2分米的直角三角形小红旗，最多可以制作多少面？
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">5 * 1</gadget>
<output>5</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<gadget id="calculator">2 * 10 * 1 * 2</gadget>
<output>40</output>

<result>40</result>