A stationery store offers 20% off all school supplies. If you hold a VIP card, you can also enjoy a 5% discount on the basis of a discount. Congcong's mother bought a schoolbag with a price tag of 150 yuan with the VIP card. How much should be paid?
某文具店对所有的学生用品打八折．如果持有贵宾卡，还可以在打折的基础上享受5%的优惠．聪聪的妈妈持贵宾卡买了一个标价为150元的书包，应付款多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">156 * (4/5) * (19/20)</gadget>
<output>2_964/25 = around 118.56</output>

<result>2_964/25 = around 118.56</result>