There are (3/4) tons of rice in the warehouse. After eating (3/20) tons, (1/3) tons are shipped in. How many tons of rice are there now?
仓库里有(3/4)吨大米，吃了(3/20)吨后，又运来(1/3)吨，现在仓库里有大米多少吨？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">(3/4) - (3/20)</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">(3/5) + (1/3)</gadget>
<output>14/15 = around 0.933333</output>

<result>14/15 = around 0.933333</result>