Students from 4 groups in the sixth grade conducted an experiment to measure the mass of rice. Each group weighed out 2 grams of rice, and the number of rice grains counted were 102, 99, 101, and 98. According to this calculation, there are 1.3 billion people in our country, and if each person saves 1 grain of rice every day, how many tons of rice can be saved nationwide every day.
六年级4个小组的同学进行测量大米质量的实验，每小组都称出2克大米，数得的大米粒数分别是102粒，99粒，101粒，98粒．按此计算，我国有13亿人，每人每天节约1粒米，全国每天可节约大米多少吨．
<gadget id="calculator">102 + 99 + 101 + 98</gadget>
<output>400</output>

<gadget id="calculator">400 / 4 / 2</gadget>
<output>50</output>

<gadget id="calculator">1_300_000_000 / 50 / 1_000_000</gadget>
<output>26</output>

<result>26</result>