A road construction team plans to build a road with a length of 1200 meters. In the first week, 15% of the total length was repaired, and in the second week, 13% of the total length was repaired. How much more rice was repaired in the first week than in the second week?
某修路队计划修一条长1200米的路．第一周修了全长的15%，第二周修了全长的13%．第一周比第二周多修多少米？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">13 / 100</gadget>
<output>13/100 = around 0.13</output>

<gadget id="calculator">(3/20) - (13/100)</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">1_200 * (1/50)</gadget>
<output>24</output>

<result>24</result>