car drives from place A to place B at a speed of 75 kilometers per hour. After driving for 2 hours, it passes the midpoint of A and B by 50 kilometers. How many kilometers are there between A and B?
一辆汽车从甲地开往乙地，每小时行驶75千米，行驶2小时候后超过甲乙两地中点50千米，甲乙两地相距多少千米？
<gadget id="calculator">75 * 2</gadget>
<output>150</output>

<gadget id="calculator">150 - 50</gadget>
<output>100</output>

<gadget id="calculator">100 * 2</gadget>
<output>200</output>

<result>200</result>