The canteen purchased 4.5 tons of rice. I ate (1/3) tons on the first day, and (4/5) tons on the second day. How many tons did I eat in total in the two days?
食堂购进4.5吨大米．第一天吃去了(1/3)，第二天吃去了(4/5)吨，俩天总共吃去了多少吨．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">4.5 * (1/3)</gadget>
<output>1.5</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1.5 + (4/5)</gadget>
<output>2.3</output>

<result>2.3</result>