The population ratio in a certain rural area is seriously out of balance. The number of girls in Class Six is 50% less than that of boys. So how much more boys are there than girls?
农村某地人口比例严重失调，六甲班女生人数比男生少50%，那么男生人数比女生多多少．
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) / (1/2)</gadget>
<output>1</output>

<result>1</result>