Xiaohong goes from home to the park and walks 45 meters per minute, so she can reach the park in 16 minutes. Now Xiaohong walks 15 meters more per minute, so how many minutes can she reach the park?
小红从家去公园，每分走45米，那么16分能到公园．现在小红每分多走15米，那么她多少分能到公园？
<gadget id="calculator">45 + 15</gadget>
<output>60</output>

<gadget id="calculator">16 / 60</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">45 * (4/15)</gadget>
<output>12</output>

<result>12</result>