The fast train travels 83 kilometers per hour, and the slow train travels 68 kilometers per hour. After 5 hours, how many kilometers has the express train traveled more than the slow train?
快车每小时行83千米，慢车每小时行68千米．5小时后，快车一共比慢车多行多少千米？
<gadget id="calculator">83 * 5</gadget>
<output>415</output>

<gadget id="calculator">68 * 5</gadget>
<output>340</output>

<gadget id="calculator">415 - 340</gadget>
<output>75</output>

<result>75</result>