Vehicles A and B drove in the same direction at the same time at two places A and B 20 kilometers apart. After 8 hours, A caught up with B. If B travels 35 kilometers per hour, how many kilometers per hour does A travel?
甲、乙二车在相距20千米的甲、乙两地同时同向开出，经过8小时，甲追上了乙．如果乙每行35千米，甲每时行多少千米？
<gadget id="calculator">35 * 8</gadget>
<output>280</output>

<gadget id="calculator">280 + 20</gadget>
<output>300</output>

<gadget id="calculator">300 / 8</gadget>
<output>75/2 = around 37.5</output>

<result>75/2 = around 37.5</result>