There are 2010 points on a straight line. Inserting a point between every two points is called an operation. After such 3 operations, how many points are there on this straight line?
一条直线上有2010个点，在每两个点之间插入一个点，这样叫做一次操作，经过这样的3次操作，这条直线上共有多少个点．
<gadget id="calculator">2_010 + 2_009</gadget>
<output>4_019</output>

<gadget id="calculator">4_019 - 1</gadget>
<output>4_018</output>

<gadget id="calculator">4_018 + 4_019</gadget>
<output>8_037</output>

<gadget id="calculator">8_037 - 1</gadget>
<output>8_036</output>

<gadget id="calculator">8_036 + 8_037</gadget>
<output>16_073</output>

<result>16_073</result>