A batch of 75 tons of coal is transported in (1/5) and then transported in (1/5), how many tons more than before?
一批煤75吨，运进(1/5)后再运进(1/5)，现在比原来多多少吨？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">75 * (6/5) * (6/5)</gadget>
<output>108</output>

<gadget id="calculator">108 - 75</gadget>
<output>33</output>

<result>33</result>