Fill in the same number in □ of 24*□-□*1.5=1.8 to make the equation true. What is the number in □?
在24*□-□*1.5=1.8的□里填入相同的数，使等式成立，□里填的数是多少．
<gadget id="calculator">1.8 / 22.5</gadget>
<output>0.08</output>

<result>0.08</result>