Mrs. Brown paid her utility bills with 3 $50 bills and 2 $10 bills. How much are her utility bills?
Mrs. Brown's $50 bills amount to $50 x 3 = $
<gadget id="calculator">50*3</gadget>
<output>150</output>
150.
Her $10 bills amount to $10 x 2 = $
<gadget id="calculator">10*2</gadget>
<output>20</output>
20.
So Mrs. Brown's utility bills cost $150 + $20 = $
<gadget id="calculator">150+20</gadget>
<output>170</output>
170.

<result>170</result>