The original price of a TV is 4,500 yuan, and the current price is 90% of the original price. How much is the current price?
一台电视机原价是4500元，现在售价是原价的90%，现在售价是多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">4_500 * (9/10)</gadget>
<output>4_050</output>

<result>4_050</result>