A car travels 273 kilometers in 3 hours in the morning. At this speed, I walked for another 4 hours in the afternoon. How many kilometers did I walk in the whole day?
一辆汽车上午3小时行273千米．照这样的速度，下午又行了4小时，全天一共行多少千米？
<gadget id="calculator">273 / 3</gadget>
<output>91</output>

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

<gadget id="calculator">91 * 7</gadget>
<output>637</output>

<result>637</result>