When the little sloppy was doing an addition problem, he regarded the second addend 135 as 531, and the calculated sum was 716. Do you know the correct number?
小马虎在做一道加法题时，把第二个加数135看成531，结果算出来的和是716，你知道正确的得数是多少吗？
<gadget id="calculator">716 - 531</gadget>
<output>185</output>

<gadget id="calculator">185 + 135</gadget>
<output>320</output>

<result>320</result>