and B start from home at 7:30 and ride to the forest zoo 26 kilometers away from home, and arrive at the gate of the forest zoo at 9:30. Ask A and B how many kilometers per hour they travel.
甲、乙两人7：30从家出发骑车前往距家26千米的森林动物园，于9：30到达森林动物园门口，问甲、乙两人每小时行多少千米．
<gadget id="calculator">26 / 2</gadget>
<output>13</output>

<result>13</result>