The original price of a hot water bottle is 120 yuan, now it is 40% off, what is the current price?
一个热水壶原价120元，现在打六折，现价多少元．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">120 * (3/5)</gadget>
<output>72</output>

<result>72</result>