motorcycle is sold at a 10% discount, and the price is 6,300 yuan. How much is this motorcycle cheaper than the original price?
一辆摩托车打九折出售，售价6300元，这种摩托车比原价便宜多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">6_300 * (9/10)</gadget>
<output>5_670</output>

<gadget id="calculator">6_300 - 5_670</gadget>
<output>630</output>

<result>630</result>