The shape of the advanced class mobile red flag is a triangle, with a base of 8 decimeters and a height of 10 decimeters. How much fabric is needed to make 24 such red flags?
先进班级流动红旗的形状是三角形，底为8分米，高为10分米，制作24面这样的红旗，需要多大面积的布料？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">8 * 5 * 24</gadget>
<output>960</output>

<result>960</result>