The following is a regular array: (1, (1/2), (1/3)); ((1/3), (1/4), (1/5)), ((1/5 ),(1/6),(1/7));...;What is the sum of the three fractional denominators in the 100th array.
下面是一列有规律排列的数组：(1，(1/2)，(1/3))；((1/3)，(1/4)，(1/5))，((1/5)，(1/6)，(1/7))；…；第100个数组内三个分数分母的和是多少．
<gadget id="calculator">6 * 100</gadget>
<output>600</output>

<result>600</result>