The store sells tape recorders. The original price is 430 yuan each. The current price is 10% off. How much is it cheaper than the original price?
商店出售录音机，每台原价430元，现价打九折出售，比原价便宜多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">430 * (1/10)</gadget>
<output>43</output>

<result>43</result>