There are 3 people in the naughty family. In March, the salary income of the mother is 1000 yuan, and the salary income of the father is more than that of the mother (2/5). How much is the salary income of the father in March?
淘气家有3口人，三月份妈妈的工资收入是1000元，爸爸的工资收入比妈妈多(2/5)，三月份爸爸工资收入是多少元？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">1_000 * (7/5)</gadget>
<output>1_400</output>

<result>1_400</result>