There are 480 grains of rice in one cup. If half a cup is 8 tablespoons and one tablespoon is 3 teaspoons, how many grains of rice are in a teaspoon?
First find the number of tablespoons in a full cup: 8 tablespoons/half-cup * 2 half-cups/cup = 
<gadget id="calculator">8*2</gadget>
<output>16</output>
16 tablespoons.
Then find the total number of teaspoons in a cup: 16 tablespoons/cup * 3 teaspoons/tablespoon = 
<gadget id="calculator">16*3</gadget>
<output>48</output>
48 teaspoons.
Then find the number of grains of rice per teaspoon: 480 grains / 48 teaspoons = 
<gadget id="calculator">480/48</gadget>
<output>10</output>
10 grains/teaspoon.

<result>10</result>