There is a batch of rice in a grain store, and (3/8) tons are sold, and (4/8) tons are left. How many tons of rice does this grain store have in total?
一粮店有一批大米，卖出了(3/8)吨，还剩(4/8)吨，这个粮店一共有多少吨大米？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/8) + (1/2)</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>