Some students want to buy pencils from a stationery shop. The price of one pencil is 20 cents. Tolu wants 3 pencils, Robert wants 5 pencils and Melissa wants 2 pencils. How much (in dollars) will the students spend altogether at the stationery shop?
The three students want a total of 3+2+5 = 
<gadget id="calculator">3+2+5</gadget>
<output>10</output>
10 pencils.
Each pencil cost 20 cents so 10 pencils cost 20*10 = 
<gadget id="calculator">20*10</gadget>
<output>200</output>
200 cents
100 cents make a dollar so 200 cents make 200/100 = 
<gadget id="calculator">200/100</gadget>
<output>2</output>
2 dollars.

<result>2</result>