When the quotient of 1.2/0.5 is 2, what is the remainder
1.2/0.5的商为2时，余数是多少
<gadget id="calculator">0.5 * 2</gadget>
<output>1</output>

<gadget id="calculator">1.2 - 1</gadget>
<output>0.2</output>

<result>0.2</result>