There is a set of formulas: 1+1+1, 2+3+4, 3+5+7, 4+7+10, 5+9+13, 6+11+16, 7+13+19, ..., then the first What is the sum of the three numbers in the 2006 formula.
有一组算式：1+1+1，2+3+4，3+5+7，4+7+10，5+9+13，6+11+16，7+13+19，…，那么第2006个算式中三数的和是多少．
<gadget id="calculator">2_006 - 1</gadget>
<output>2_005</output>

<gadget id="calculator">2_005 * 2</gadget>
<output>4_010</output>

<gadget id="calculator">2_005 * 3</gadget>
<output>6_015</output>

<gadget id="calculator">2_006 + 1 + 4_010 + 1 + 6_015</gadget>
<output>12_033</output>

<result>12_033</result>