On New Year's Day, the shopping malls have a promotion, and all products will be reduced by 30%. Mom has a membership card of the mall and can get a 10% discount. Mom bought a set of clothes for 630 yuan. What was the original price of the suit?
元旦商场搞促销，所有商品一律降价30%，妈妈有商场的会员卡还可以打九折．妈妈买回一套衣服花了630元，这套衣服的原价是多少元？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(7/10) * (9/10)</gadget>
<output>63/100 = around 0.63</output>

<gadget id="calculator">630 / (63/100)</gadget>
<output>1_000</output>

<result>1_000</result>