A tape recorder, originally priced at 200 yuan, is now on sale at a 25% discount. What is the price?
一种录音机，原价200元，现在打七五折出售，售价是多少元．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">200 * (3/4)</gadget>
<output>150</output>

<result>150</result>