grain shop has 140 tons of rice. On the first day (3/7) of this batch of rice is shipped away, and on the second day (2/3) of the first day is shipped away. How many tons of rice were shipped in total in two days?
一个粮店有大米140吨，第一天运走这批大米的(3/7)，第二天运走的是第一天的(2/3)，两天共运走大米多少吨？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">140 * (3/7)</gadget>
<output>60</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">60 * (2/3)</gadget>
<output>40</output>

<gadget id="calculator">60 + 40</gadget>
<output>100</output>

<result>100</result>