Robyn sends sixteen emails a day. Seven are work emails, and two-thirds of the remainder are to family. One-third of the other emails are to her boyfriend. How many emails a day does she send to her boyfriend?
Robyn sends 16 - 7 = 
<gadget id="calculator">16-7</gadget>
<output>9</output>
9 non-work emails.
She sends 9 * 2 / 3 = 
<gadget id="calculator">9*2/3</gadget>
<output>6</output>
6 emails to family.
There are 9 - 6 = 
<gadget id="calculator">9-6</gadget>
<output>3</output>
3 emails remaining.
Of the remaining 3, 1/3 are to her boyfriend, so Robyn sends him 3 * 1 / 3 = 
<gadget id="calculator">3*1/3</gadget>
<output>1</output>
1 email a day.

<result>1</result>