An amateur sports school newly purchased three kinds of balls, among which basketballs accounted for 1/3 of the total, the ratio of the number of footballs to the number of other two kinds of balls was 1:5, and there were 150 volleyballs. How many of the three kinds of balls are there in total? indivual?
一业余体校新购进三种球，其中篮球占总数的(1/3)，足球的个数与其它两种球个数的比是1：5，排球有150个，三种球共有多少个？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + 5</gadget>
<output>6</output>

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

<gadget id="calculator">1 - (1/3) - (1/6)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">150 / (1/2)</gadget>
<output>300</output>

<result>300</result>