Two cars go from A． B two places drive opposite each other, car A travels 45 kilometers per hour, car B travels 53 kilometers per hour, when the two cars meet, they are 40 kilometers away from the midpoint, A. How many miles is the distance between B and B?
两车同时从A．B两地相对开出，甲每小时行45千米，乙车每小时行53千米，相遇时两车离中点40千米，A．B两地相距多少千米？
<gadget id="calculator">45 + 53</gadget>
<output>98</output>

<gadget id="calculator">53 - 45</gadget>
<output>8</output>

<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">40 * (1/4)</gadget>
<output>10</output>

<gadget id="calculator">98 * 10</gadget>
<output>980</output>

<result>980</result>