Oliver has two bags of vegetables. Each bag weighs 1/6 as much as James’s bag, which weighs 18kg. What is the combined weight of both Oliver’s bags?
Each of Oliver's bags weighs 18 kg * 1/6 =
<gadget id="calculator">18*1/6</gadget>
<output>3</output>
3 kg.
Combined, both his bags weigh 3 kg * 2 = 
<gadget id="calculator">3*2</gadget>
<output>6</output>
6 kg.

<result>6</result>