The school bought a red cloth with a length of 384 meters and a width of 2.4 meters. To make a red pennant with a base and a height of 0.8 meters, how many sides can be made?
学校买来长384米、宽2.4米的红布，要做成底边和高都是0.8米的红色三角旗，可以做多少面？
<gadget id="calculator">2.4 / 0.8</gadget>
<output>3</output>

<gadget id="calculator">384 / 0.8</gadget>
<output>480</output>

<gadget id="calculator">3 * 480</gadget>
<output>1_440</output>

<gadget id="calculator">1_440 * 2</gadget>
<output>2_880</output>

<result>2_880</result>