Xiao Ming has to walk 0.5 hours from home to school, how much can he walk in 13 minutes?
小明从家到学校要走0.5小时，13分钟可走全程的多少
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">(1/30) * 13</gadget>
<output>13/30 = around 0.433333</output>

<result>13/30 = around 0.433333</result>