The quotient of 4.6/5 is 0.9, what is the remainder
4.6/5的商是0.9，余数是多少
<gadget id="calculator">5 * 0.9</gadget>
<output>4.5</output>

<gadget id="calculator">4.6 - 4.5</gadget>
<output>0.1</output>

<result>0.1</result>