When Xiaogang did addition, he regarded the 3 in the ones place as 8, and the 1 in the tens place as 7, and the result was 174. What was the original answer?
小刚做加法时，把个位上的3看作8，把十位上的1看作7，结果计算得174，原来的答案是多少．
<gadget id="calculator">8 - 3</gadget>
<output>5</output>

<gadget id="calculator">70 - 10</gadget>
<output>60</output>

<gadget id="calculator">174 - 5 - 60</gadget>
<output>109</output>

<result>109</result>