The distance between A and B is 950 meters. A and B start from A at the same time and go back and forth between A and B. A walks 40 meters per minute, and B runs 150 meters per minute. How many meters away from place B was the second encounter?
A、B两地相距950米，甲、乙两人同时由A出发，在A、B两地间往返，甲步行每分钟走40米，乙跑步每分钟跑150米，甲、乙二人第二次相遇时相距B地有多少米？
<gadget id="calculator">950 * 2</gadget>
<output>1_900</output>

<gadget id="calculator">40 + 150</gadget>
<output>190</output>

<gadget id="calculator">1_900 / 190</gadget>
<output>10</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">20 * 40</gadget>
<output>800</output>

<gadget id="calculator">950 - 800</gadget>
<output>150</output>

<result>150</result>