An accountant mistakenly recorded an income account of 488 yuan as 48.8 yuan. How much he will find out when he checks out.
一位会计把一笔488元的收入账错误地记成了48.8元．他在结账时将会发现多少．
<gadget id="calculator">488 - 48.8</gadget>
<output>439.2</output>

<result>439.2</result>