When dividing 2.9 by 1.4, what is the remainder when the quotient is 2?
2.9除以1.4，当除到商是2时，余数是多少
<gadget id="calculator">2 * 1.4</gadget>
<output>2.8</output>

<gadget id="calculator">2.9 - 2.8</gadget>
<output>0.1</output>

<result>0.1</result>