Wang Hua used 0.8 meters of wrapping paper and 2.4 meters of ribbon to pack a gift box. Each meter of ribbon was 0.85 yuan. How much did Wang Hua need to buy the ribbon?
王华包装一个礼品盒用了0.8米的包装纸和2.4米的彩带，每米彩带0.85元，王华购买彩带需要多少元．
<gadget id="calculator">0.85 * 2.4</gadget>
<output>2.04</output>

<result>2.04</result>