Two buses A and B depart from C at the same time. Bus A travels 52 kilometers per hour, and bus B travels 48 kilometers per hour. After 16 hours, how many kilometers are there between the two buses?
AB两辆客车同时从C地出发，A客车每小时行52千米，B客车每小时行48千米，16小时后，两车相距多少千米？
<gadget id="calculator">52 - 48</gadget>
<output>4</output>

<gadget id="calculator">4 * 16</gadget>
<output>64</output>

<result>64</result>