For a batch of disaster relief materials, (3/8) of the total amount was transported away for the first time, and the rest (1/5) was transported away for the second time, and there were still 48 tons left. How many tons are there in total?
一批赈灾物资，第一次运走总数的(3/8)，第二次运走余下的(1/5)，这时还剩下48吨．这批物资一共有多少吨？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(5/8) * (1/5)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (3/8) - (1/8)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">48 / (1/2)</gadget>
<output>96</output>

<result>96</result>