Use a piece of rectangular red paper with a length of 8 decimeters and a width of 4 decimeters to make a small red flag of an isosceles right triangle with a right angle side of 8 centimeters. How many sides can be made in total?
用一张长8分米，宽4分米的长方形红纸，做直角边都是8厘米的等腰直角三角形小红旗，一共可以做多少面？
<gadget id="calculator">10 / 8</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">8 * (5/4)</gadget>
<output>10</output>

<gadget id="calculator">4 * (5/4)</gadget>
<output>5</output>

<gadget id="calculator">10 * 5 * 2</gadget>
<output>100</output>

<result>100</result>