A box of candies weighs 450 grams in total. After eating part of the box, the weight of the box is 150 grams. It is known that the weight of the box is one-eighth of the weight of the original candy. What fraction of the candy is left in the box?
一盒糖连盒共重450克，吃去一部分后连盒共重150克，己知盒子的重量是原有糖果重量的八分之一，这盒糖果余下了几分之几？
<gadget id="calculator">9 / 8</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">450 / (9/8)</gadget>
<output>400</output>

<gadget id="calculator">400 - 300</gadget>
<output>100</output>

<gadget id="calculator">100 / 400</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>