Swifts are the fastest birds flying long distances. A swift flies 680 kilometers at 4 o'clock, and a carrier pigeon flies 74 kilometers per hour. Who is faster, swifts or pigeons? How much faster?
雨燕是长距离飞行最快的鸟．一只雨燕4时飞行680千米，一只信鸽每时飞行74千米．雨燕与信鸽的飞行速度谁快？快多少？
<gadget id="calculator">680 / 4</gadget>
<output>170</output>

<gadget id="calculator">170 - 74</gadget>
<output>96</output>

<result>96</result>