In 2003, the output of cotton in my country was 4.87 million tons, the output of tea was 4.09 million tons less than that of cotton, and the output of rice was 28.66 million tons more than that of tea. How many tons of rice is produced?
2003年我国棉花的产量是487万吨，茶叶的产量比棉花产量少409万吨，稻谷的产量比茶叶多2866万吨．稻谷的产量是多少万吨？
<gadget id="calculator">487 - 409</gadget>
<output>78</output>

<gadget id="calculator">78 + 2_866</gadget>
<output>2_944</output>

<result>2_944</result>