There is a set of fractions arranged as follows: (1/2), (1/3), (1/6), (1/2), (1/3), (1/6), (1/2), (1 /3), (1/6)... What is the sum of the first 30 numbers in this group.
有一组分数如下排列：(1/2)、(1/3)、(1/6)、(1/2)、(1/3)、(1/6)、(1/2)、(1/3)、(1/6)…这一组数前30个数的和是多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/2) + (1/3) + (1/6)</gadget>
<output>1</output>

<gadget id="calculator">30 / 3</gadget>
<output>10</output>

<gadget id="calculator">1 * 10</gadget>
<output>10</output>

<result>10</result>