Uncle Zhang bought a plane ticket to Shenzhen. The discounted price is 200 yuan. The original price is four times the discounted price. How much less did Uncle Zhang spend?
张叔叔买了一张去深圳的飞机票，打折后价为200元，原价是这个折后价的4倍，张叔叔少花了多少钱？
<gadget id="calculator">200 * 4</gadget>
<output>800</output>

<gadget id="calculator">800 - 200</gadget>
<output>600</output>

<result>600</result>