It is 780 meters from Xiaoyong's home to the Children's Palace and 900 meters to the school. If it takes Xiaoyong 15 minutes to go from home to school, how many minutes will it take to get from home to the Children's Palace at the same speed?
小勇家到少年宫有780米，到学校有900米，如果小勇从家到学校要15分钟，用同样的速度从家到少年宫要几分钟？
<gadget id="calculator">900 / 15</gadget>
<output>60</output>

<gadget id="calculator">780 / 60</gadget>
<output>13</output>

<result>13</result>