When the little sloppy calculates 20+A*12, he calculates the addition first, and then the multiplication, and the result is 1260. What is the correct answer to this question.
小马虎在计算20+A*12时，先算加法，后算乘法，得到的结果是1260．这道题的正确结果是多少．
<gadget id="calculator">1_260 / 12</gadget>
<output>105</output>

<gadget id="calculator">105 - 20</gadget>
<output>85</output>

<gadget id="calculator">85 * 12</gadget>
<output>1_020</output>

<gadget id="calculator">20 + 1_020</gadget>
<output>1_040</output>

<result>1_040</result>