404.2/7.2, the quotient is 56, what is the remainder
404.2/7.2，商是56，余数是多少
<gadget id="calculator">56 * 7.2</gadget>
<output>403.2</output>

<gadget id="calculator">404.2 - 403.2</gadget>
<output>1</output>

<result>1</result>