cement plant produces (7/8) tons of cement in the morning, which is (1/4) less than in the afternoon. How many tons of cement does this cement plant produce in a day?
一个水泥厂，上午生产水泥(7/8)吨，比下午少生产(1/4)吨，这个水泥厂一天共生产多少吨水泥？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(7/8) + (1/4) + (7/8)</gadget>
<output>2</output>

<result>2</result>