The new year is here, and families have to give lucky money to their children. No, Xiaohong has already planned how to spend the New Year's money! Xiaohong plans to use (1/6) of the New Year's money to buy school supplies, (1/3) to buy breakfast, and donate the rest to the Hope Project. Question: What percentage of the New Year's money is donated to Project Hope?
新年到了，家里要给自己的孩子压岁钱．这不，小红已经计划了压岁钱该怎么花呢!小红准备将压岁钱的(1/6)用来买学习用品，(1/3)用来买早餐，剩下的钱捐给希望工程．问：捐给希望工程的钱占压岁钱的几分之几？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

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

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

<result>1/2 = around 0.5</result>