A car travels from A to B for 10 hours at a speed of 68 kilometers per hour. At this time, it is still 45 kilometers away from B. How many kilometers are there between A and B?
一辆汽车从甲地到乙地共行驶10小时，每小时行68千米，这时距乙地还有45千米，甲乙两地相距多少千米？
<gadget id="calculator">68 * 10</gadget>
<output>680</output>

<gadget id="calculator">680 + 45</gadget>
<output>725</output>

<result>725</result>