The worker's uncle sent 7 pieces of furniture purchased by Tongtong's mother to the new house. The shipping fee was calculated per piece of furniture, 55 yuan for each large piece, and 35 yuan for each medium piece. Tongtong's mother bought 5 large items and 2 medium items. How much more is the total shipping cost of the large item than the medium item?
工人叔叔把彤彤妈妈选购的7件家具送到新房子，运费以每件家具计算，大件每件55元，中等件每件35元．彤彤妈妈选购了5件大件和2件中等件，大件的总运费比中等件的总运费多多少元？
<gadget id="calculator">55 * 5</gadget>
<output>275</output>

<gadget id="calculator">35 * 2</gadget>
<output>70</output>

<gadget id="calculator">275 - 70</gadget>
<output>205</output>

<result>205</result>