Xiao Ming's weight is 15% heavier than Xiao Hong's, and Xiao Ming's weight is Xiao Hong's.
小明的体重比小红重15%，小明的体重是小红的多少．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">(23/20) / 1</gadget>
<output>23/20 = around 1.15</output>

<result>23/20 = around 1.15</result>