Cars A and B start at the same time from places A and B, which are 360 kilometers apart, and drive towards each other. After 2.5 hours, the two cars meet. Car A travels 75 kilometers per hour, what fraction of car B's speed is it?
甲、乙两车从相距360千米的A、B两地同时出发，相向而行，经过2.5小时两车相遇．甲车每小时行75千米，乙车速度是甲车速度的几分之几？
<gadget id="calculator">360 / 2.5</gadget>
<output>144</output>

<gadget id="calculator">144 - 75</gadget>
<output>69</output>

<gadget id="calculator">69 / 75</gadget>
<output>23/25 = around 0.92</output>

<result>23/25 = around 0.92</result>