The van travels 83.98 kilometers in 2.6 hours, and the car travels 216.3 kilometers in 4.2 hours. Who is faster, a van or a car? How many kilometers per hour?
面包车2.6小时行驶83.98千米，小轿车4.2小时行驶216.3千米．面包车和小轿车谁的速度快？每小时快多少千米？
<gadget id="calculator">216.3 / 4.2</gadget>
<output>51.5</output>

<gadget id="calculator">83.98 / 2.6</gadget>
<output>32.3</output>

<gadget id="calculator">51.5 - 32.3</gadget>
<output>19.2</output>

<result>19.2</result>