The Chenguang stationery store sells pencil cases at a 50% discount. How many can you buy for the original price of 12 pencil cases?
晨光文具店把文具盒打五折出售，原来买12个文具盒的钱现在可以买多少个．
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12 / (1/2)</gadget>
<output>24</output>

<result>24</result>