Xiao Ming started from 1 on the calculator, and did consecutive addition exercises in the order of natural numbers. When he added to a certain number, the result was 2014. Later, he found that there was an extra number in the middle. What was the extra number?
小明在计算器上从1开始，按自然数的顺序做连加练习，当他加到某数时，结果是2014，后来发现中间有个数多加了一次，多加的那个数是多少？
<gadget id="calculator">62 * 63</gadget>
<output>3_906</output>

<gadget id="calculator">3_906 / 2</gadget>
<output>1_953</output>

<gadget id="calculator">2_014 - 1_953</gadget>
<output>61</output>

<result>61</result>