A batch of goods is 1800 tons in total. (2/9) of the goods are transported on the first day, and (1/3) of the goods are transported on the second day. How many tons more are transported on the second day than on the first day?
一批货物共1800吨，第一天运走这批货物的(2/9)，第二天运走这批货物的(1/3)，第二天比第一天多运走多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(1/3) - (2/9)</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1_800 * (1/9)</gadget>
<output>200</output>

<result>200</result>