Qiqi is a little sloppy. When he was doing a subtraction problem, he made a mistake of writing 1 for the 7 in the tens digit of the subtraction, and a 5 for the 2 in the unit digit of the subtraction. The final difference was 428. What is the correct result? ?
奇奇是个小马虎，他在做一道减法题时，把减数十位上的7错写成1，减数个位上的2错写成5，最后得到的差是428，正确的结果是多少呢？
<gadget id="calculator">5 - 2</gadget>
<output>3</output>

<gadget id="calculator">60 - 3</gadget>
<output>57</output>

<gadget id="calculator">428 - 57</gadget>
<output>371</output>

<result>371</result>