Two drilling teams, the first team drilled 1900 meters, 200 meters less than the second team, how many kilometers did the two teams drill in total?
两个钻井队，第一队钻井1900米，比第二队少钻200米，两个队共钻井多少千米？
<gadget id="calculator">1_900 + 1_900 + 200</gadget>
<output>4_000</output>

<gadget id="calculator">4_000 / 1_000</gadget>
<output>4</output>

<result>4</result>