To build a road with a length of 3600 meters, the full length (1/4) was built on the first day, and the remaining (1/3) was built on the second day. How many meters are left?
修一条长3600米的公路，第一天修了全长的(1/4)，第二天修了余下的(1/3)，问还剩下多少米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3_600 * (1/4)</gadget>
<output>900</output>

<gadget id="calculator">3_600 - 900</gadget>
<output>2_700</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2_700 * (1/3)</gadget>
<output>900</output>

<gadget id="calculator">3_600 - 900 - 900</gadget>
<output>1_800</output>

<result>1_800</result>