A car starts from A and travels 195 kilometers in 3 hours. At this speed, it can reach B in another 4 hours. How many kilometers are there between A and B?
一辆汽车从甲地出发，3小时行了195千米，照这样的速度，再行4小时就可到达乙地．甲、乙两地相距多少千米？
<gadget id="calculator">195 / 3</gadget>
<output>65</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">65 * 7</gadget>
<output>455</output>

<result>455</result>