The diameter of a wheel of a car is 0.5 meters, and the car travels 1570 meters, how many revolutions does the wheel make?
一辆汽车的车轮直径为0.5米，汽车行驶1570米，车轮转了多少周？
<gadget id="calculator">3.14 * 0.5</gadget>
<output>1.57</output>

<gadget id="calculator">1_570 / 1.57</gadget>
<output>1_000</output>

<result>1_000</result>