Aunt Zhang brought in a batch of fruits for her fruit shop. She sold all the fruits in the morning (1/6) and sold all the fruits in the afternoon (3/5). How many fruits are still not sold?
张阿姨为她的水果店运进一批水果，上午卖了所有水果的(1/6)，下午卖了所有水果的(3/5)，还有多少水果没有卖？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (1/6) - (3/5)</gadget>
<output>7/30 = around 0.233333</output>

<result>7/30 = around 0.233333</result>