Mom goes shopping in the mall and buys 4 towels and 4 pieces of soap. Each towel is (7/2) yuan, and each soap is (13/2) yuan. How much did mother spend on these items?
妈妈到商场购物，买了4条毛巾和4块香皂，毛巾每条(7/2)元，香皂每条(13/2)元，妈妈买这些物品共花了多少元？
<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">4 * (7/2)</gadget>
<output>14</output>

<gadget id="calculator">13 / 2</gadget>
<output>13/2 = around 6.5</output>

<gadget id="calculator">4 * (13/2)</gadget>
<output>26</output>

<gadget id="calculator">14 + 26</gadget>
<output>40</output>

<result>40</result>