A car travels from City A to City B for 160 kilometers in 3 hours in the morning, and another 4 hours in the afternoon, at 65 kilometers per hour. How many kilometers per hour does the car travel on average this day?
一辆汽车从甲城开往乙城上午3小时行了160千米；下午又行了4小时，每小时行65千米．求这辆汽车这天平均每小时行多少千米？
<gadget id="calculator">65 * 4</gadget>
<output>260</output>

<gadget id="calculator">160 + 260</gadget>
<output>420</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">420 / 7</gadget>
<output>60</output>

<result>60</result>