Congcong’s home is 1300 meters away from the school. Congcong went from home to school in the morning and returned home after school at noon. How many kilometers did he have to walk in total?
聪聪家离学校1300米，早晨聪聪从家到学校，中午放学回到家，这两次一共要走多少千米？
<gadget id="calculator">2 / 1_000</gadget>
<output>1/500 = around 0.002</output>

<gadget id="calculator">1_300 * (1/500)</gadget>
<output>13/5 = around 2.6</output>

<result>13/5 = around 2.6</result>