Mother's Day is coming soon, Huanhuan and her father fancy a suit in the mall and prepare to give it to her mother. The original price of this suit is 1,800 yuan, and now the shopping malls offer 20% discounts. They can also enjoy a 10% discount on top of the discount with the VIP card. How much did you actually spend on this suit?
母亲节快要来了，欢欢和爸爸在商场里看中一套套装准备送给妈妈．这套套装原价1800元，现商场八折酬宾，他们还可凭借贵宾卡在打折的基础上又享受10%的优惠，买这套服装实际花了多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1_800 * (4/5) * (9/10)</gadget>
<output>1_296</output>

<result>1_296</result>