There are (7/8) tons of seafood in the warehouse, (3/4) tons are shipped out, and (5/6) tons are shipped in. How many tons of seafood are there in the warehouse at this time?
仓库里有海鲜(7/8)吨，运走了(3/4)吨，又运进来(5/6)吨，这时仓库里的海鲜有多少吨？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(7/8) - (3/4)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(1/8) + (5/6)</gadget>
<output>23/24 = around 0.958333</output>

<result>23/24 = around 0.958333</result>