Xiaoli is calculating 5.7 plus a two-digit decimal, and because she mistakenly aligned the end of the number, the result is 4.25. What is the correct number?
小丽在计算5.7加一个两位小数，由于错误地把数的未尾对齐，结果得4.25，正确的得数是多少．
<gadget id="calculator">4.25 - 0.57</gadget>
<output>3.68</output>

<gadget id="calculator">5.7 + 3.68</gadget>
<output>9.38</output>

<result>9.38</result>