Little Sloppy did an addition calculation. He wrote an extra number 6 at the right end of the first addend. The result was an increase of 2706. What is this number?
小马虎做一道加法算式，他在第一个加数的右端多写了一个数字6，结果得数增加了2706，这个数是多少？
<gadget id="calculator">2_706 - 6</gadget>
<output>2_700</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">2_700 / 9</gadget>
<output>300</output>

<result>300</result>