On National Day, Suning Appliance launched a big discount event. Xiao Wang bought a washing machine with an original price of 1,800 yuan at a 50% discount. How much is the discount compared to the original price?
国庆节苏宁电器开展优惠大酬宾活动，小王以九五折的价格购买一台原价1800元的洗衣机，实际比原价优惠了多少元？
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1_800 * (19/20)</gadget>
<output>1_710</output>

<gadget id="calculator">1_800 - 1_710</gadget>
<output>90</output>

<result>90</result>