To transport 300 tons, all (1/4) was shipped on the first day, the rest (2/5) was shipped on the second day, and it was finished on the third day. How many tons were shipped on the third day?
要运货300吨，第一天运了全部的(1/4)，第二天运余下的(2/5)，第三天运完，第三天运了多少吨？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">300 * (3/4) * (3/5)</gadget>
<output>135</output>

<result>135</result>