200 lighted lamps, each controlled by a pull switch, are numbered 1, 2, 3, ..., 200 according to the sequence. Pull the pull wires of the lights numbered multiples of 3 once, and then pull the pull wires of lights numbered multiples of 5 once. How many lights do not turn on after pulling.
200盏亮着的电灯，各有一个拉线开关控制，按排序编号为1，2，3，…，200．将编号为3的倍数的灯的拉线各拉一下，再将编号为5的倍数灯的拉线各拉一下，拉完后不亮的灯是多少盏．
<gadget id="calculator">200 / 5</gadget>
<output>40</output>

<gadget id="calculator">40 - 13</gadget>
<output>27</output>

<gadget id="calculator">66 + 27</gadget>
<output>93</output>

<result>93</result>