When Xiaojun was doing the problem, due to his carelessness, he wrote 8 for the 3 in the subtrahend, and wrote 6 for the 0 in the tens place. The calculated difference is 199. What is the correct difference.
小军做题时，由于粗心大意，把被减数个位上的3写成了8，把十位上的0错写成了6，这样算得的差是199．正确的差是多少．
<gadget id="calculator">8 - 3</gadget>
<output>5</output>

<gadget id="calculator">60 - 0</gadget>
<output>60</output>

<gadget id="calculator">187 - 5 - 60</gadget>
<output>122</output>

<result>122</result>