Leonard and his brother Michael bought presents for their father. Leonard bought a wallet at $50 and two pairs of sneakers at $100 each pair, while Michael bought a backpack at $100 and two pairs of jeans at $50 each pair. How much did they spend in all?
Two pairs of sneakers cost 2 x $100 = $
<gadget id="calculator">2*100</gadget>
<output>200</output>
200.
So, Leonard spent $50 + $200 = $
<gadget id="calculator">50+200</gadget>
<output>250</output>
250.
Two pairs of jeans cost 2 x $50 = $
<gadget id="calculator">2*50</gadget>
<output>100</output>
100.
Thus, Michael spent $100 + $100 = $
<gadget id="calculator">100+100</gadget>
<output>200</output>
200.
Therefore, they spent a total of $250 + $200 = $
<gadget id="calculator">250+200</gadget>
<output>450</output>
450 in all.

<result>450</result>