For example, if you buy 3kg of apples and 5kg of pears, you need 48 yuan. If you buy 2kg of apples and 6kg of pears, you need 48.8 yuan. If Xiao Wang wants to buy 1kg of apples and 5kg of pears, how much does it cost?
如买了3kg苹果和5kg梨，需48元钱，如果买2kg苹果和6kg梨需48.8元，如果小王同学要买1kg苹果和5kg梨，那么需要多少元？
<gadget id="calculator">48.8 * 3</gadget>
<output>146.4</output>

<gadget id="calculator">48 * 2</gadget>
<output>96</output>

<gadget id="calculator">146.4 - 96</gadget>
<output>50.4</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">18 - 10</gadget>
<output>8</output>

<gadget id="calculator">50.4 / 8</gadget>
<output>6.3</output>

<gadget id="calculator">6.3 * 5</gadget>
<output>31.5</output>

<gadget id="calculator">48 - 31.5</gadget>
<output>16.5</output>

<gadget id="calculator">16.5 / 3</gadget>
<output>5.5</output>

<gadget id="calculator">5.5 + 31.5</gadget>
<output>37</output>

<result>37</result>