A factory plans to spend 200,000 yuan to repair equipment, but actually only spends 160,000 yuan. How much is actually saved.
某工厂修善设备，计划要用20万元，实际只用16万元．实际节约多少．
<gadget id="calculator">20 - 16</gadget>
<output>4</output>

<gadget id="calculator">4 / 20</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>