The number of boys in the Go team is 1.5 times that of girls, and girls are boys ((())/(())), how much more boys than girls.
围棋小组男生人数是女生的1.5倍，女生是男生的((())/(()))，男生人数比女生多多少．
<gadget id="calculator">1 * 1.5</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 - 1</gadget>
<output>0.5</output>

<gadget id="calculator">0.5 / 1</gadget>
<output>0.5</output>

<result>0.5</result>