Now, 1 U.S. dollar can be exchanged for RMB 6.23. Uncle Li has 80 U.S. dollars, how much can be exchanged for RMB.
现在，1美元可以兑换人民币6.23元，李叔叔有80美元，可以兑换人民币多少元．
<gadget id="calculator">80 * 6.23</gadget>
<output>498.4</output>

<result>498.4</result>