A large car can travel 270 kilometers in 5 hours, and a small car can travel 440 kilometers in 4 hours. How much more miles per hour does a small car travel than a large car?
大轿车5小时可以行驶270千米，小轿车4小时可以行驶440千米．小轿车平均每小时比大轿车多行多少千米？
<gadget id="calculator">440 / 4</gadget>
<output>110</output>

<gadget id="calculator">270 / 5</gadget>
<output>54</output>

<gadget id="calculator">110 - 54</gadget>
<output>56</output>

<result>56</result>