There are 322 voters in District 1. District 2 has 19 less voters than District 3. District 3 has twice as many voters as District 1. How many total voters are in Districts 1 - 3?
D1 = 
<gadget id="calculator">322</gadget>
<output>322</output>
322.
D3 = 2 * 322 = 
<gadget id="calculator">2*322</gadget>
<output>644</output>
644.
D2 = 644 - 19 = 
<gadget id="calculator">644-19</gadget>
<output>625</output>
625
322 + 625 + 644 = 
<gadget id="calculator">322+625+644</gadget>
<output>1_591</output>
1591.
There are 1591 voters in Districts 1 - 3.

<result>1_591</result>