James hires a seamstress to fix all his shirts and pants.  He has 10 shirts and 12 pairs of pants.  It takes 1.5 hours to fix a shirt and twice as long for pants.  The tailor charges $30 per hour.  How much does it cost?
It takes 10*1.5=
<gadget id="calculator">10*1.5</gadget>
<output>15</output>
15 hours to fix his shirts.
It takes 1.5*2=
<gadget id="calculator">1.5*2</gadget>
<output>3</output>
3 hours per pair of pants.
So it takes 3*12=
<gadget id="calculator">3*12</gadget>
<output>36</output>
36 hours for the pants.
That means in total it takes 15+36=
<gadget id="calculator">15+36</gadget>
<output>51</output>
51 hours.
So it cost 51*30=$
<gadget id="calculator">51*30</gadget>
<output>1_530</output>
1530 to fix everything.

<result>1_530</result>