For the 2010 Shanghai World Expo, the ordinary ticket price is 150 yuan on weekdays, and the night ticket price is (3/5) of the ordinary ticket on weekdays. How much is the night ticket price?
2010年上海世博会，平日普通票价为150元，夜票价是平日普通票的(3/5)，夜票票价是多少元？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">150 * (3/5)</gadget>
<output>90</output>

<result>90</result>