On Children's Day, my mother bought an English point-reading machine for Xiaogang at a discount of 15%. The discount was 180 yuan. How much did my mother pay for this point-reading machine?
"六一"儿童节，妈妈以八五折的价钱为小刚买了一部英语点读机，正好优惠了180元，妈妈买这部点读机花了多少元？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1 - (17/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">180 / (3/20)</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 - 180</gadget>
<output>1_020</output>

<result>1_020</result>