Column calculation: What is the sum of the product of 0.37 and 6.39 plus the product of 3.61 and 0.37?
列式计算：0.37与6.39的积加上3.61与0.37的积，和是多少？
<gadget id="calculator">0.37 * 6.39</gadget>
<output>2.3643</output>

<gadget id="calculator">3.61 * 0.37</gadget>
<output>1.3357</output>

<gadget id="calculator">2.3643 + 1.3357</gadget>
<output>3.7</output>

<result>3.7</result>