There is a batch of 150 kg apples in the supermarket, and 50 kg are sold a day. What fraction of this batch of fruit is left?
超市有一批苹果150千克，一天卖出50千克，还剩这批水果的几分之几？
<gadget id="calculator">150 - 50</gadget>
<output>100</output>

<gadget id="calculator">100 / 150</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>