7.69/3.2 When the quotient is 2.4, what is the remainder?
7.69/3.2当商是2.4时，余数是多少．
<gadget id="calculator">2.4 * 3.2</gadget>
<output>7.68</output>

<gadget id="calculator">7.69 - 7.68</gadget>
<output>0.01</output>

<result>0.01</result>