Recently, a counterfeit currency with a high degree of imitation appeared on the market. A scammer bought a 45-yuan scarf in the mall with a counterfeit currency of 100 yuan. The salesperson gave the scammer 55 yuan.
最近市场上出现了一种仿真度极高的假币，一个骗子用100元的假币买走了商场里一条45元的围巾，营业员找给了骗子55元，商场损失了多少元．
<gadget id="calculator">45 + 55</gadget>
<output>100</output>

<result>100</result>