2006 lights that are on, each controlled by a pull switch, are numbered 1, 2, ..., 2006 in sequence. Pull the pull wires of the lamps numbered multiples of 2; then pull the pull wires of lamps numbered multiples of 3, and finally pull the pull wires of lamps numbered multiples of 5. How many lights are on after pulling.
2006盏亮着的电灯，各有一个拉线开关控制，按顺序编号为1，2，…，2006．将编号为2的倍数的灯的拉线各拉一下；再将编号为3的倍数的灯的拉线各拉一下，最后将编号为5的倍数的灯的拉线各拉一下．拉完后亮着的灯数为多少盏．
<gadget id="calculator">2_006 / 2</gadget>
<output>1_003</output>

<gadget id="calculator">1_003 - 268 - 134 - 66</gadget>
<output>535</output>

<gadget id="calculator">668 - 268 - 67 - 66</gadget>
<output>267</output>

<gadget id="calculator">401 - 134 - 67 - 66</gadget>
<output>134</output>

<gadget id="calculator">535 + 267 + 134</gadget>
<output>936</output>

<gadget id="calculator">936 + 66</gadget>
<output>1_002</output>

<gadget id="calculator">2_006 - 1_002</gadget>
<output>1_004</output>

<result>1_004</result>