A piece of children's clothing is 63 yuan after a 10% discount. What is the original price?
一件儿童服装打九折后63元，原价是多少元．
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">63 / (9/10)</gadget>
<output>70</output>

<result>70</result>