Mary Anne drinks 1/5 of a bottle of sparkling water every night at dinner.  If each bottle costs her $2.00, how much does she spend on sparkling water every year?
She drinks 1/5 of a bottle of sparkling water every night so over an entire year she drinks .2*365 = 
<gadget id="calculator">1/5*365</gadget>
<output>73</output>
73 bottles of sparkling water.
Every bottle costs $2.00 and she drinks 73 bottles a year so she spends 2*73 = $
<gadget id="calculator">2*73</gadget>
<output>146</output>
146.00 a year on sparkling water.

<result>146</result>