Zhang Yong and Li Long set off from City A and City B at the same time respectively, and drove to City C to participate in the celebration of their alma mater. The ratio of the distance from city A to city C and from city B to city C is 2:3. Both of them drive at a speed of 80 kilometers per hour. Arriving at City C, Li Long was (3/4) hours later than Zhang Yong. Find the distance from City A to City B via City C.
张勇与李龙分别从A城、B城同时出发，开车到C城参加母校校庆活动．A城到C城与B城到C城的距离比是2：3，他们两人开车的速度都是每小时80千米．到达C城，李龙比张勇晚了(3/4)小时，求从A城经C城到B城的路程．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3 - 2</gadget>
<output>1</output>

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

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(3/4) / (1/5)</gadget>
<output>15/4 = around 3.75</output>

<gadget id="calculator">80 * (15/4)</gadget>
<output>300</output>

<result>300</result>