There are 50 red, white, and green balls in a cloth bag, and the number of white balls is 5 times that of red balls. What is the maximum number of red balls in the cloth bag?
一个布袋里有红、白、绿三色球共50颗，其中白球的颗数是红球的5倍，那么布袋里最多有多少颗红球．
<gadget id="calculator">50 - 2</gadget>
<output>48</output>

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

<gadget id="calculator">48 / 6</gadget>
<output>8</output>

<result>8</result>