(4/3), 1, (10/11), (13/15), (16/19)...is a series of regular numbers, if one of the numbers in this series has a denominator of 2011, then this What is the numerator of the fraction.
(4/3)、1、(10/11)、(13/15)、(16/19)…是一串有规律的数，这串数中如果其中有一个数的分母是2011，那么这个分数的分子是多少．
<gadget id="calculator">2_011 + 1</gadget>
<output>2_012</output>

<gadget id="calculator">2_012 / 4</gadget>
<output>503</output>

<gadget id="calculator">3 * 503</gadget>
<output>1_509</output>

<gadget id="calculator">1 + 1_509</gadget>
<output>1_510</output>

<result>1_510</result>