The weight of Austrian zebra is equal to (1/4) of his weight plus 45 kg; the weight of Koizumi is equal to (1/3) of his weight plus 32 kg. So, how many kilograms is the weight difference between Ozebra and Koizumi?
奥斑马的体重等于他的体重的(1/4)加上45千克；小泉的体重等于他体重的(1/3)加上32千克．那么，奥斑马与小泉的体重之差是多少千克．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">45 / (3/4)</gadget>
<output>60</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">32 / (2/3)</gadget>
<output>48</output>

<gadget id="calculator">60 - 48</gadget>
<output>12</output>

<result>12</result>