Mom takes Xiaohong to the supermarket to buy things. A schoolbag is 42 yuan, a box of pens is 18 yuan, and a box of color pens is 14 yuan. These products are now sold at a 20% discount. How much less will you pay if you buy these three things now?
妈妈带小红去超市买东西，书包一个42元，钢笔一盒18元，彩笔一盒14元，这些商品现在都按八折出售，现在买这三样东西，比原来少付多少钱？
<gadget id="calculator">42 + 18 + 14</gadget>
<output>74</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">74 * (1/5)</gadget>
<output>74/5 = around 14.8</output>

<result>74/5 = around 14.8</result>