There are red, yellow, and green balls in the pocket, among which red balls account for 1/3 of the total number of balls, yellow balls account for 1/4 of the total number of balls, and there are 50 more green balls than yellow balls. How many balls are there in the pocket?
口袋里装着红、黄、绿三种颜色的球，其中红球占总球数的(1/3)，黄球占总球数的(1/4)，绿球比黄球多50个．口袋里一共有几个球？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/3) - (1/4) - (1/4)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">50 / (1/6)</gadget>
<output>300</output>

<result>300</result>