Tim had a birthday party with a clown that cost $100 an hour for 4 hours.  He also rented a bounce house for half the time that cost 3 times as much an hour. Everything else for the party cost $1000.  How much did his birthday cost?
The clown cost 100*4=$
<gadget id="calculator">100*4</gadget>
<output>400</output>
400.
The bounce house cost 100*3=$
<gadget id="calculator">100*3</gadget>
<output>300</output>
300 per hour.
He rented it for 4/2=
<gadget id="calculator">4/2</gadget>
<output>2</output>
2 hours.
So it cost 300*2=$
<gadget id="calculator">300*2</gadget>
<output>600</output>
600.
That means the total cost was 400+600+1000=$
<gadget id="calculator">400+600+1000</gadget>
<output>2_000</output>
2000.

<result>2_000</result>