The transport team transported a batch of vegetables. On the first day, they transported 30% of the total. On the second day, they transported 8 tons less than 25% of the total, leaving 28 tons. How many tons of vegetables are there in total? What is the correct column
运输队运一批蔬菜，第一天运了总数的30%，第二天运的比总数的25%少8吨，还剩下28吨，这批蔬菜共多少吨？正确的列式是多少
<gadget id="calculator">28 - 8</gadget>
<output>20</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (3/10) - (1/4)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">20 / (9/20)</gadget>
<output>400/9 = around 44.444444</output>

<result>400/9 = around 44.444444</result>