What is the quotient of 45 sums of 0.4 minus 0.4 and dividing by 0.4?
45个0.4的和减去0.4，再除以0.4，商是多少？
<gadget id="calculator">0.4 * 45</gadget>
<output>18</output>

<gadget id="calculator">18 - 0.4</gadget>
<output>17.6</output>

<gadget id="calculator">17.6 / 0.4</gadget>
<output>44</output>

<result>44</result>