The distance between two places is 70 kilometers. Two people, A and B, ride bicycles towards each other. B starts 2 hours after A starts, and B meets after 3 hours. A travels 8 kilometers per hour, and B travels per hour. How many kilometers?
两地相距70千米，甲、乙两人骑自行车分别从两地相向而行，甲出发2小时后乙才出发，乙经过3小时相遇，甲车每小时行8千米，乙每小时行几千米？
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">70 - 16</gadget>
<output>54</output>

<gadget id="calculator">54 / 3</gadget>
<output>18</output>

<gadget id="calculator">18 - 8</gadget>
<output>10</output>

<result>10</result>