When the quotient of 0.85/0.7 is 1.2, what is the remainder?
0.85/0.7商取1.2时，剩余部分是多少．
<gadget id="calculator">1.2 * 0.7</gadget>
<output>0.84</output>

<gadget id="calculator">0.85 - 0.84</gadget>
<output>0.01</output>

<result>0.01</result>