It takes 10 hours to travel from A to B. A and B are driving opposite each other at the same time. B arrives at the midpoint of AB 1 hour earlier than A. When A travels to the midpoint, B travels another 60 kilometers to A and AB. How many kilometers apart?
从A地到B地甲用10小时，甲乙两地同时相对行驶，乙比甲提前1小时到AB中点，当甲行到中点时，乙再行60千米到A地，AB两地相距多少千米？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 - 1 - 1</gadget>
<output>3</output>

<gadget id="calculator">60 / 3</gadget>
<output>20</output>

<gadget id="calculator">10 - 1 - 1</gadget>
<output>8</output>

<gadget id="calculator">20 * 8</gadget>
<output>160</output>

<result>160</result>