The warehouse originally had (5/6) tons of goods, and then shipped in (1/3) tons, and finally used (1/5) tons. How many tons of goods are there in the warehouse now?
仓库原来有货物(5/6)吨，接着又运进(1/3)吨，最后又用去(1/5)吨，现在仓库有多少吨货？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

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

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

<gadget id="calculator">(1/3) - (1/5)</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">(5/6) + (2/15)</gadget>
<output>29/30 = around 0.966667</output>

<result>29/30 = around 0.966667</result>