Johnson has a sack of potatoes. He gives Gina 69 potatoes, gives Tom twice as much potatoes as he gave Gina and gives one-third of the amount of potatoes he gave Tom to Anne. How many potatoes does he have left if the sack contains 300 potatoes?
He gives twice 69 potatoes to Tom, which is 69*2 = 
<gadget id="calculator">69*2</gadget>
<output>138</output>
138 potatoes.
He gives one-third of 138 potatoes to Anne, which is 138*(1/3) = 
<gadget id="calculator">138*(1/3)</gadget>
<output>46</output>
46 potatoes.
In total, he has given out 69+138+46 = 
<gadget id="calculator">69+138+46</gadget>
<output>253</output>
253 potatoes.
He initially had 300 potatoes so he now has 300-253 = 
<gadget id="calculator">300-253</gadget>
<output>47</output>
47 potatoes left.

<result>47</result>