A kilogram of pork costs $6 while a kilogram of chicken costs $2 less. How much will a 3-kilogram of chicken and a kilogram of pork cost?
A kilogram of chicken costs $6 - $2 = $
<gadget id="calculator">6-2</gadget>
<output>4</output>
4.
Three kilograms of chicken cost $4 x 3 = $
<gadget id="calculator">4*3</gadget>
<output>12</output>
12.
So, a 3-kilogram of chicken and a kilogram of pork cost $12 + $6 = $18.

<result>18</result>