The freight station needs to transport a batch of goods. On the first day, 30% of the total amount was transported, and on the second day, 8 tons more (1/4) of the total amount was transported, leaving 19 tons. How many tons are there in total in this batch?
货运站要运一批货，第一天运走了总数的30%，第二天运走了总数的(1/4)还多8吨，还剩19吨，这批货物一共有多少吨？
<gadget id="calculator">19 + 8</gadget>
<output>27</output>

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

<gadget id="calculator">1 / 4</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">27 / (9/20)</gadget>
<output>60</output>

<result>60</result>