Daniel collects Russian dolls that normally cost $4 each. He saves enough money to buy 15 Russian dolls. However, the price suddenly drops to $3 each. How many Russian dolls can he buy now at the discounted price, given his savings?
With the price of each doll at $4, this means he has saved a total of 15 * 4 = $
<gadget id="calculator">15*4</gadget>
<output>60</output>
60.
When the price is lowered to $3 each, he can now purchase 60 / 3 = 
<gadget id="calculator">60/3</gadget>
<output>20</output>
20 dolls.

<result>20</result>