A car drives from place A to place B, first travels the entire distance (2/7), and then travels 50 kilometers. At this time, the ratio of the distance traveled to the remaining distance is 3:5. How many meters is the remaining distance?
一辆汽车从甲地开往乙地，先行驶了全程的(2/7)，然后再行50千米，这时已经行的路程与剩下的路程之比是3：5．剩下的路程是多少米？
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">(3/8) - (2/7)</gadget>
<output>5/56 = around 0.089286</output>

<gadget id="calculator">50 / (5/56)</gadget>
<output>560</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">560 * (5/8)</gadget>
<output>350</output>

<result>350</result>