The car travels 98.5 kilometers per hour. The bus travels 58.5 kilometers per hour. The bus takes 3.2 hours first. How many hours can a car catch up with a bus?
小轿车每小时行驶98.5千米．大客车每小时行驶58.5千米．大客车先行3.2小时．小轿车多少小时可以追上大客车？
<gadget id="calculator">98.5 - 58.5</gadget>
<output>40</output>

<gadget id="calculator">3.2 / 40</gadget>
<output>0.08</output>

<gadget id="calculator">58.5 * 0.08</gadget>
<output>4.68</output>

<result>4.68</result>