Xiao Ming walks 180 meters in 3 minutes. According to the speed calculation, he can walk from home to school in 15 minutes. How far is his home from school?
小明3分钟走180米，照这样计算速度，他15分钟可以从家走到学校，他家距学校有多远？
<gadget id="calculator">180 / 3</gadget>
<output>60</output>

<gadget id="calculator">60 * 15</gadget>
<output>900</output>

<result>900</result>