The original price of a certain schoolbag is 120 yuan. If it is sold at a 50% discount, how much will this schoolbag cost?
某款书包原价是120元，如果打五折出售，这款书包要多少元．
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">120 * (1/2)</gadget>
<output>60</output>

<result>60</result>