There are 1,200 households with computers in Donghu District this year, an increase (1/4) from last year. How many households had computers last year?
东湖区今年拥有电脑的家庭有1200户，比去年增加了(1/4)，去年有电脑的家庭有多少户？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1_200 / (5/4)</gadget>
<output>960</output>

<result>960</result>