Car A and Car B start from two places at the same time and drive towards each other. It is known that car A travels 45 kilometers per hour and car B travels 35 kilometers per hour. They meet at 10 kilometers from the midpoint of the two places. How many kilometers apart.
甲、乙两车汽车同时从两地出发，相向而行，已知甲车每小时行45千米，乙车每小时行35千米，它们在两地中点10千米处相遇，两地相距多少千米．
<gadget id="calculator">35 + 45</gadget>
<output>80</output>

<gadget id="calculator">45 - 35</gadget>
<output>10</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">10 * (1/5)</gadget>
<output>2</output>

<gadget id="calculator">80 * 2</gadget>
<output>160</output>

<result>160</result>