My naughty father works in the United States and recently sent home 720 dollars. My mother wants to go to the bank to exchange RMB. How much RMB can I exchange? (1 USD to RMB 7.2)
淘气的爸爸在美国工作，最近寄回家720美元，妈妈要到银行兑换人民币，能换多少元人民币．(1美元兑换人民币7.2元)
<gadget id="calculator">7.2 * 720</gadget>
<output>5_184</output>

<result>5_184</result>