Xiao Wang buys a kind of New Year's card. Since the store offers a 25% discount, he can buy 12 more cards with the same amount of money. How many cards has he bought now?
小王买一种贺年卡，由于商店打七五折，用同样多的钱，可以多买12张，他现在买了多少张．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / (3/4)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">1 / (4/3)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 / (1/4)</gadget>
<output>48</output>

<result>48</result>