When Ding Ding was calculating addition, he mistook the 8 on the hundreds digit of one addition as 6, and mistakenly regarded the 1 on the tens digit of the other addition as 4, and the sum was 923. What is the correct sum?
叮叮在计算加法时，把一个加数百位上的8看成6，把另一个加数十位上的1错看成4，得到和为923．正确的和是多少？
<gadget id="calculator">40 - 10</gadget>
<output>30</output>

<gadget id="calculator">923 - 30</gadget>
<output>893</output>

<gadget id="calculator">800 - 600</gadget>
<output>200</output>

<gadget id="calculator">893 + 200</gadget>
<output>1_093</output>

<result>1_093</result>