What is the sum of all the simplest proper fractions whose denominator is 385?
分母是385的所有最简真分数的和等于多少．
<gadget id="calculator">385 / 5</gadget>
<output>77</output>

<gadget id="calculator">385 / 7</gadget>
<output>55</output>

<gadget id="calculator">385 / 11</gadget>
<output>35</output>

<gadget id="calculator">77 + 55 + 35</gadget>
<output>167</output>

<gadget id="calculator">385 - 1 - 167</gadget>
<output>217</output>

<gadget id="calculator">11 + 5 + 7</gadget>
<output>23</output>

<gadget id="calculator">217 + 23</gadget>
<output>240</output>

<gadget id="calculator">240 / 2</gadget>
<output>120</output>

<result>120</result>