An accountant mistakenly recorded an income of 57.5 yuan as 5.75 yuan. What mistakes will he find when he checks out?
一位会计把一笔57.5元的收入款，错误地记成5.75元．他结帐时将会发现怎样的错误？
<gadget id="calculator">57.5 - 5.75</gadget>
<output>51.75</output>

<result>51.75</result>