To build a road, 1800 meters were built on the first day, which is exactly the full length (4/9), and the full length (1/3) was built on the second day, how many meters were repaired on the second day?
修一条公路，第一天修了1800米，正好是全长的(4/9)，第二天又修了全长的(1/3)，第二天修了多少米？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">1_800 / (4/9)</gadget>
<output>4_050</output>

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

<gadget id="calculator">4_050 * (1/3)</gadget>
<output>1_350</output>

<result>1_350</result>