A car travels 90 kilometers per hour from point A to point B. When it has traveled for 4 hours, the ratio of the traveled distance to the remaining distance is exactly 2:3, how many kilometers is the total distance.
一辆汽车从甲地开往乙地，每小时行90千米．当它行了4小时后，行了的路程与剩下路程的比刚好是2：3，求全程多少千米．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">90 * 2 * 5</gadget>
<output>900</output>

<result>900</result>