2.61/1.3, when the quotient is 2, what is the remainder
2.61/1.3，商2时，余数是多少
<gadget id="calculator">1.3 * 2</gadget>
<output>2.6</output>

<gadget id="calculator">2.61 - 2.6</gadget>
<output>0.01</output>

<result>0.01</result>