Xiao Ming calculates a subtraction problem, and regards the 5 in the tens digit of the subtrahend as 9, and the 3 in the subtrahend ones digit as 6, and the difference is 131. What is the correct difference.
小明算一道减法题，把被减数十位上的5看成了9，把减数个位上的3看成了6，得到的差是131．正确的差应是多少．
<gadget id="calculator">6 - 3</gadget>
<output>3</output>

<gadget id="calculator">40 - 3</gadget>
<output>37</output>

<gadget id="calculator">131 - 37</gadget>
<output>94</output>

<result>94</result>