There is a batch of goods, (2/3) tons are used on the first day, and (3/4) tons are used on the second day, how many tons are used in two days?
有一批货物，第一天用去(2/3)吨，第二天用去(3/4)吨，两天一共用去多少吨？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

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

<gadget id="calculator">(2/3) + (3/4)</gadget>
<output>17/12 = around 1.416667</output>

<result>17/12 = around 1.416667</result>