The transportation team transported a batch of chemical fertilizers. On the first day, 40% of all the fertilizers were transported. On the second day, 60 tons more than the first day were transported, and the shipment was just finished. How many tons of this batch of chemical fertilizers?
运输队运一批化肥，第一天运走全部化肥的40%，第二天比第一天多运60吨，正好运完，这批化肥多少吨？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 / (1/5)</gadget>
<output>300</output>

<result>300</result>