In order to help the children in the impoverished mountainous areas of Guizhou, Qingjiang Primary School launched a charity sale. The amount of money earned from the sixth grade charity sale is 600 yuan, which is 100 yuan more than that of the fifth grade. How much more is the sixth grade than the fifth grade?
为了帮助贵州贫困山区的小朋友们，青江小学开展义卖活动．六年级义卖所得的钱数是600元，比五年级多100元．六年级比五年级多几分之几？
<gadget id="calculator">600 - 100</gadget>
<output>500</output>

<gadget id="calculator">100 / 500</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>