Two cars start from two places at the same time, and they go toward each other. After they meet, the two cars continue to move forward. 35 kilometers apart, find the distance between the two places.
两车分别从两地同时出发，相向而行相遇后两车继续前进，当甲车行了全程的(5/9)时，乙车未行的占全程的(2/5)时，两车相距35千米，求两地间的距离．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5) - 1</gadget>
<output>-2/5 = around -0.4</output>

<gadget id="calculator">(5/9) + (-2/5)</gadget>
<output>7/45 = around 0.155556</output>

<gadget id="calculator">35 / (7/45)</gadget>
<output>225</output>

<result>225</result>