The school planned to purchase 1,200 books, but actually purchased 20% more than planned. How many books were actually purchased?
学校计划购置图书1200本，实际比计划多购置了20%，实际购置了多少本图书？
<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">1_200 * (6/5)</gadget>
<output>1_440</output>

<result>1_440</result>