A car drives from the east of the city to the west of the city. It travels 41 kilometers per hour in the first 3 hours, and a total of 220 kilometers in the next 4 hours. How many kilometers per hour does the car travel on average?
一辆汽车从城东开往城西，前3小时每小时行41千米，后4小时共行220千米，这辆汽车平均每小时行多少千米？
<gadget id="calculator">41 * 3</gadget>
<output>123</output>

<gadget id="calculator">123 + 220</gadget>
<output>343</output>

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

<gadget id="calculator">343 / 7</gadget>
<output>49</output>

<result>49</result>