The 2010 Asian Games was held in Guangzhou, my country. Before the torch relay week in a certain place, a total of 2010 kilometers were passed in seven days. In the first 6 days, an average of 300 kilometers was passed per day, how many kilometers were passed on the seventh day?
2010年亚运会在我国广州举行，会前某地火炬传递周活动，七天共传递了2010千米．前6天平均每天传递300千米，第七天传递了多少千米？
<gadget id="calculator">300 * 6</gadget>
<output>1_800</output>

<gadget id="calculator">2_010 - 1_800</gadget>
<output>210</output>

<result>210</result>