There are 1,200 bags of rice in the warehouse, 1/3 of which was shipped away, and another 300 bags were shipped in. What fraction of the amount was shipped?
仓库里有大米1200袋，运走了(1/3)，又运来300袋，运来的是运走的几分之几？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1_200 * (1/3)</gadget>
<output>400</output>

<gadget id="calculator">300 / 400</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>