Xiao Ming rides a bicycle to his grandma's house. The diameter of the wheel of his bicycle is 1 meter. If his grandma's house is 628 meters away from Xiao Ming's house. Then how many times does Xiaoming's bicycle have to turn at least when he arrives at his grandma's house? (Assume that Xiao Ming's bicycle goes in a straight line)
小明骑自行车到姥姥家，他的自行车的轮子的直径是1米，若姥姥家离小明家628米．则到达姥姥家时小明的自行车至少要转多少圈．(假设小明的自行车走直线)
<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>

<gadget id="calculator">628 / 3.14</gadget>
<output>200</output>

<result>200</result>