A kind of exercise book is sold at half price. The original price of 46 books can be bought now.
一种练习本半价销售，原来买46本的钱，现在可以买多少本．
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">46 * 2</gadget>
<output>92</output>

<result>92</result>