Jianglian Grain Processing Factory transported three kinds of grains, among which the imported rice accounted for 1/5 of the total weight, the weight ratio of the imported flour to the other two kinds of grains was 2:3, and 40 tons of miscellaneous grains were imported. How many tons are the total weight of the three grains transported in?
江联粮食加工厂运进三种粮食，其中运进的大米占总重量的(1/5)，运进的面粉与其他两种粮食重量的比是2：3，运进杂粮40吨．运进三种粮食共重多少吨？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">4 - (2/3)</gadget>
<output>10/3 = around 3.333333</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">(10/3) / (5/3)</gadget>
<output>2</output>

<gadget id="calculator">40 / 2</gadget>
<output>20</output>

<gadget id="calculator">20 * 5</gadget>
<output>100</output>

<result>100</result>