The quotient of 3.8/1.5 is 2, what is the remainder?
3.8/1.5的商是2是，余数是多少
<gadget id="calculator">1.5 * 2</gadget>
<output>3</output>

<gadget id="calculator">3.8 - 3</gadget>
<output>0.8</output>

<result>0.8</result>