Huguang Primary School redecorated the classrooms, and the actual investment was 480,000 yuan, which was (1/5) less than the original plan. How much did you save?
湖光小学重新装修教室，实际投资了48万元，比原计划节约了(1/5)．节约了多少万元？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">48 / (4/5)</gadget>
<output>60</output>

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

<result>12</result>