There are 50 tons of rice in the warehouse, and (1/5) of the total tonnage was transported for the first time, and the rest (1/5) was transported for the second time, how many tons of rice were transported in total for the two times?
仓库有大米50吨，第一次运走了总吨数的(1/5)，第二次运走了剩下的(1/5)，两次共运大米多少吨？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">50 * (1/5)</gadget>
<output>10</output>

<gadget id="calculator">50 - 10</gadget>
<output>40</output>

<gadget id="calculator">40 * (1/5)</gadget>
<output>8</output>

<gadget id="calculator">10 + 8</gadget>
<output>18</output>

<result>18</result>