Bob has to hire someone to fix his garden.  A storm destroyed all 20 of his rose bushes.  He decides to replant all the rose bushes.  Each rose bush costs $150.  He also needs to pay a gardener $30 an hour, 5 hours each day for 4 days.  The final expense is 100 cubic feet of soil sold for $5 per cubic foot.  How much did the entire gardening project cost?
The roses cost 150*20=$
<gadget id="calculator">150*20</gadget>
<output>3_000</output>
3000.
The gardener works 4*5=
<gadget id="calculator">4*5</gadget>
<output>20</output>
20 hours.
So the gardener charges 30*20=$
<gadget id="calculator">30*20</gadget>
<output>600</output>
600.
The soil added another 5*100=$
<gadget id="calculator">5*100</gadget>
<output>500</output>
500.
So in total the cost was 3000+600+500=$
<gadget id="calculator">3000+600+500</gadget>
<output>4_100</output>
4100.

<result>4_100</result>