Yichang was rated as a national civilized city, and the whole city cheered. According to the survey, before the inspection, in order to rectify the city appearance and clean up the garbage, the sanitation workers removed all the garbage (1/4) on the first day, all the garbage (2/5) on the second day, and removed all the garbage on the first day. 30 tons, how many tons will be transported the next day?
宜昌被评为全国文明城市，全市上下一片欢呼．据调查，在迎检前，为整顿市容，清理垃圾，环卫工人第一天运走了全部垃圾的(1/4)，第二天运走全部的(2/5)，第一天运走了30吨，第二天运走多少吨？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">30 / (1/4)</gadget>
<output>120</output>

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

<gadget id="calculator">120 * (2/5)</gadget>
<output>48</output>

<result>48</result>