To build a 1200-meter-long road, the full length (1/3) will be built on the first day, and the full length (1/4) will be repaired on the second day. How many meters less will be repaired on the second day than on the first day?
修一条1200米长的公路，第一天修全长的(1/3)，第二天修全长的(1/4)，第二天比第一天少修多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1_200 * (1/3)</gadget>
<output>400</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1_200 * (1/4)</gadget>
<output>300</output>

<gadget id="calculator">400 - 300</gadget>
<output>100</output>

<result>100</result>