When Xiaolan calculated a two-digit decimal minus 0.9, she mistakenly aligned the end of the number and got 1.84. What is the correct number?
小兰在计算一个两位小数减0.9时，由于错误地把数的末尾对齐，结果得到1.84，正确的得数是多少？
<gadget id="calculator">0.09 - 0.9</gadget>
<output>-0.81</output>

<gadget id="calculator">1.84 + (-0.81)</gadget>
<output>1.03</output>

<result>1.03</result>