School A has 1.2 million books. School A has 20% more books than school B. How many thousand books does school B have?
甲校有图书120万册，甲校的图书比乙校多20%，乙校有图书多少万册？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">120 / (6/5)</gadget>
<output>100</output>

<result>100</result>