The speed of a flying bird is 72 km/h, and the speed of a wild dog is 56 km/h, which is farther between the flying bird flying in 7 hours and the wild dog running in 8 hours? How far is it?
一只飞鸟的速度是72千米/时，一只野狗的速度是56千米/时，飞鸟飞7小时的路程与野狗跑8小时的路程哪个远？远多少？
<gadget id="calculator">72 * 7</gadget>
<output>504</output>

<gadget id="calculator">56 * 8</gadget>
<output>448</output>

<gadget id="calculator">504 - 448</gadget>
<output>56</output>

<result>56</result>