What is the remainder when dividing 5.7/9 until the quotient is 0.6
5.7/9除到商是0.6时，余数是多少
<gadget id="calculator">0.6 * 9</gadget>
<output>5.4</output>

<gadget id="calculator">5.7 - 5.4</gadget>
<output>0.3</output>

<result>0.3</result>