A 10% discount on a commodity is the same as a price reduction of 63 yuan. What is the original price of this commodity?
一种商品打九折和降价63元的售价一样，这种商品的原价是多少元．
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">63 / (1/10)</gadget>
<output>630</output>

<result>630</result>