Friendship Xintiandi: No discount for purchases less than 200 yuan; 30% discount for purchases exceeding 200 yuan. Aunt Li bought a washing machine for 480 yuan. How much is the original price of this washing machine?
友谊新天地：购物不足200元不予优惠；购物超过200元，超过部分七折优惠．李阿姨买了一台洗衣机花了480元，这台洗衣机原价多少元？
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">200 * (7/10)</gadget>
<output>140</output>

<gadget id="calculator">480 - 200</gadget>
<output>280</output>

<gadget id="calculator">140 + 280</gadget>
<output>420</output>

<gadget id="calculator">420 / (7/10)</gadget>
<output>600</output>

<result>600</result>