Mary bought 5 boxes of drinks at $6 each box and 10 boxes of pizzas at $14 each box for her pizza party. She paid $200 for all the items. How much change did she get back?
Mary spent 5 x $6 = $
<gadget id="calculator">5*6</gadget>
<output>30</output>
30 on drinks.
She spent 10 x $14 = $
<gadget id="calculator">10*14</gadget>
<output>140</output>
140 on pizzas.
She spent a total amount of $30 + $140 = $
<gadget id="calculator">30+140</gadget>
<output>170</output>
170.
Therefore, Mary got a change of $200 - $170 = $
<gadget id="calculator">200-170</gadget>
<output>30</output>
30 after paying all the items for her pizza party.

<result>30</result>