Sally picks 30 seashells on Monday. On Tuesday, she picks half as many seashells as she did on Monday. If she can sell each seashell for $1.20, how much money can she make if she sells all of her seashells?
On Tuesday, Sally picks 30 / 2 = 
<gadget id="calculator">30/2</gadget>
<output>15</output>
15 seashells.
In total, Sally picks 30 + 15 = 
<gadget id="calculator">30+15</gadget>
<output>45</output>
45 seashells.
The total amount of money Sally can make is 45 * $1.20 = $
<gadget id="calculator">45*1.2</gadget>
<output>54</output>
54.

<result>54</result>