Uncle Wang drove from place A to place B to do business. He traveled an average of 75 kilometers per hour, half of the journey in 3 hours. How many kilometers are there between places A and B?
王叔叔从甲地开车到乙地办事，平均每小时行75千米，3小时行了全程的一半，甲、乙两地相距多少千米？
<gadget id="calculator">75 * 3 * 2</gadget>
<output>450</output>

<result>450</result>